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Patent #:
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Issue Dt:
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06/16/1998
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Application #:
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08777271
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Filing Dt:
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12/31/1996
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Title:
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APPARATUS FOR ENHANCING STRAIN IN INTRINSIC FIBER OPTIC SENSORS AND PACKAGING SAME FOR HARSH ENVIRONMENTS
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Patent #:
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Issue Dt:
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04/06/1999
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Application #:
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08786704
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Filing Dt:
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01/21/1997
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Title:
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MULTIPARAMETER FIBER OPTIC SENSOR FOR USE IN HARSH ENVIRONMENTS
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Patent #:
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Issue Dt:
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12/01/1998
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Application #:
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08790072
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Filing Dt:
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01/28/1997
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Title:
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FIBER OPTIC PRESSURE SENSOR WITH PASSIVE TEMPERATURE COMPENSATION
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Patent #:
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Issue Dt:
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06/06/2000
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Application #:
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08800208
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Filing Dt:
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02/12/1997
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Title:
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VERTICAL SEISMIC PROFILING SYSTEM HAVING VERTICAL SEISMIC PROFILING OPTICAL SIGNAL PROCESSING EQUIPMENT AND FIBER BRAGG GRATING OPTICAL SENSORS
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Patent #:
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Issue Dt:
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07/20/1999
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Application #:
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08853402
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Filing Dt:
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05/09/1997
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Title:
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OIL AND GAS WELL PACKER HAVING FIBER OPTIC BRAGG GRATING SENSORS FOR DOWNHOLE INSITU INFLATION MONITORING
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Patent #:
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Issue Dt:
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08/31/1999
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Application #:
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08853535
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Filing Dt:
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05/09/1997
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Title:
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BOLT, STUD OR FASTENER HAVING AN EMBEDDED FIBER OPTIC BRAGG GRATING SENSOR FOR SENSING TENSIONING STRAIN
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Patent #:
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Issue Dt:
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10/26/1999
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Application #:
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08853762
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Filing Dt:
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05/09/1997
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Title:
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WASHER HAVING FIBER OPTIC BRAGG GRATING SENSORS FOR SENSING A SHOULDER LOAD BETWEEN COMPONENTS IN A DRILL STRING
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Patent #:
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Issue Dt:
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03/02/1999
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Application #:
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08883858
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Filing Dt:
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06/27/1997
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Title:
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BOURDON TUBE PRESSURE GAUGE WITH INTEGRAL OPTICAL STRAIN SENSORS FOR MEASURING TENSION OR COMPRESSIVE STRAIN
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Patent #:
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Issue Dt:
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01/25/2000
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Application #:
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08925598
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Filing Dt:
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09/08/1997
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Title:
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HIGH SENSITIVITY FIBER OPTIC PRESSURE SENSOR FOR USE IN HARSH ENVIRONMENTS
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Patent #:
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Issue Dt:
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11/16/1999
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Application #:
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08933544
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Filing Dt:
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09/19/1997
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Title:
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FIBER OPTICS SENSING SYSTEM
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Patent #:
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Issue Dt:
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12/28/1999
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Application #:
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08964818
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Filing Dt:
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11/05/1997
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Title:
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COILED TUBING SENSOR SYSTEM FOR DELIVERY OF DISTRIBUTED MULTIPLEXED SENSORS
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Patent #:
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Issue Dt:
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11/16/1999
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Application #:
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08966260
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Filing Dt:
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11/07/1997
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Title:
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ARRAY TOPOLOGIES FOR IMPLEMENTING SERIAL FIBER BRAGG GRATING INTERFEROMETER ARRAYS
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Patent #:
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Issue Dt:
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01/16/2001
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Application #:
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09016258
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Filing Dt:
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01/30/1998
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Title:
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ACCELEROMETER FEATURING FIBER OPTIC BRAGG GRATING SENSOR FOR PROVIDING MULTIPLEXED MULTI-AXIS ACCELERATION SENSING
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Patent #:
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Issue Dt:
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11/13/2001
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Application #:
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09073701
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Filing Dt:
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05/06/1998
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Title:
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CREEP-RESISTANT OPTICAL FIBER ATTACHMENT
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Patent #:
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Issue Dt:
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03/04/2003
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Application #:
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09087447
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Filing Dt:
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05/29/1998
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Publication #:
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Pub Dt:
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08/02/2001
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Title:
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METHOD FOR IMPROVING THE ACCURACY IN THE DETERMINATION OF A WAVEFORM CENTER OF A WAVEFORM SIGNAL
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Patent #:
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Issue Dt:
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09/12/2000
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Application #:
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09119269
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Filing Dt:
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07/20/1998
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Title:
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METHOD AND DEVICE FOR PROVIDING STABLE AND PRECISE OPTICAL REFERENCE SIGNALS
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Patent #:
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Issue Dt:
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06/11/2002
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Application #:
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09121468
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Filing Dt:
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07/23/1998
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Publication #:
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Pub Dt:
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06/20/2002
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Title:
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OPTICAL FIBER CABLE HAVING FIBER IN METAL TUBE CORE WITH OUTER PROTECTIVE LAYER.
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Patent #:
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Issue Dt:
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10/23/2001
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Application #:
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09145621
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Filing Dt:
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09/02/1998
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Title:
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SENSING SYSTEMS USING QUARTZ SENSORS AND FIBER OPTICS
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Patent #:
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Issue Dt:
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06/26/2001
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Application #:
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09145624
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Filing Dt:
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09/02/1998
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Title:
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APPARATUS AND METHOD OF SEISMIC SENSING SYSTEMS USING FIBER OPTICS
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Patent #:
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Issue Dt:
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10/24/2000
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Application #:
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09146017
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Filing Dt:
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09/02/1998
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Title:
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ACOUSTIC LOGGING SYSTEM USING FIBER OPTICS
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Patent #:
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Issue Dt:
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10/02/2001
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Application #:
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09205845
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Filing Dt:
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12/04/1998
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Title:
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METHOD AND APPARATUS FOR FORMING A TUBE-ENCASED BRAGG GRATING
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Patent #:
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Issue Dt:
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06/19/2001
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Application #:
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09206171
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Filing Dt:
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12/04/1998
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Title:
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METHOD AND APPARATUS FOR FORMING A BRAGG GRATING WITH HIGH INTENSITY LIGHT
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Patent #:
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Issue Dt:
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08/07/2001
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Application #:
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09219908
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Filing Dt:
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12/23/1998
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Title:
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DISTRIBUTED SELECTABLE FIBER OPTIC SENSING SYSTEM
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Patent #:
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Issue Dt:
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05/08/2001
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Application #:
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09222637
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Filing Dt:
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12/29/1998
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Title:
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SELECT TRIGGER AND DETONATION SYSTEM USING AN OPTICAL FIBER
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Patent #:
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Issue Dt:
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05/15/2001
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Application #:
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09326097
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Filing Dt:
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06/04/1999
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Title:
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MANDREL-WOUND FIBER OPTIC PRESSURE SENSOR
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Patent #:
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Issue Dt:
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02/20/2001
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Application #:
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09326098
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Filing Dt:
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06/04/1999
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Title:
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COMPOSITE FORM AS A COMPONENT FOR A PRESSURE TRANSDUCER
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Patent #:
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Issue Dt:
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10/15/2002
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Application #:
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09344069
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Filing Dt:
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06/25/1999
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Title:
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DISPLACEMENT BASED PRESSURE SENSOR AND METHOD FOR MEASURING UNSTEADY PRESSURE IN A PIPE
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Patent #:
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Issue Dt:
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08/20/2002
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Application #:
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09344070
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Filing Dt:
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06/25/1999
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Title:
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MEASUREMENT OF PROPAGATING ACOUSTIC WAVES IN COMPLIANT PIPES
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Patent #:
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Issue Dt:
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09/17/2002
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Application #:
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09344093
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Filing Dt:
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06/25/1999
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Title:
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NON-INTRUSIVE FIBER OPTIC PRESSURE SENSOR FOR MEASURING UNSTEADY PRESSURES WITHIN A PIPE
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Patent #:
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Issue Dt:
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03/12/2002
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Application #:
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09344094
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Filing Dt:
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06/25/1999
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Title:
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FLUID PARAMETER MEASUREMENT IN PIPES USING ACOUSTIC PRESSURES
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Patent #:
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Issue Dt:
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03/25/2003
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Application #:
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09345827
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Filing Dt:
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07/02/1999
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Title:
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OPTICAL FLOW RATE MEASUREMENT USING UNSTEADY PRESSURES
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Patent #:
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Issue Dt:
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08/14/2001
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Application #:
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09360879
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Filing Dt:
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07/23/1999
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Title:
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SELECTIVE APERTURE ARRAYS FOR SEISMIC MONITORING
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Patent #:
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Issue Dt:
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08/28/2001
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Application #:
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09368994
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Filing Dt:
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08/05/1999
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Title:
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APPARATUS FOR OPTIMIZING PRODUCTION OF MULTI-PHASE FLUID
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Patent #:
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Issue Dt:
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12/10/2002
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Application #:
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09399403
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Filing Dt:
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09/20/1999
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Title:
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FUSED TENSION-BASED FIBER GRATING PRESSURE SENSOR
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Patent #:
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Issue Dt:
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08/21/2001
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Application #:
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09399504
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Filing Dt:
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09/20/1999
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Title:
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FIBER OPTIC BRAGG GRATING PRESSURE SENSOR
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Patent #:
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Issue Dt:
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06/10/2003
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Application #:
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09410634
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Filing Dt:
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10/01/1999
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Title:
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HIGHLY SENSITIVE ACCELEROMETER
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Patent #:
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Issue Dt:
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08/27/2002
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Application #:
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09440555
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Filing Dt:
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11/15/1999
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Title:
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PRESSURE SENSOR PACKAGING FOR HARSH ENVIRONMENTS
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Patent #:
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Issue Dt:
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06/11/2002
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Application #:
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09448003
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Filing Dt:
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11/23/1999
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Title:
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METHOD AND APPARATUS FOR CORRECTING SYSTEMATIC ERROR IN A WAVELENGTH MEASURING DEVICE
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Patent #:
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Issue Dt:
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10/08/2002
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Application #:
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09448367
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Filing Dt:
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11/23/1999
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Title:
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FIBER BRAGG GRATING REFERENCE SENSOR FOR PRECISE REFERENCE TEMPERATURE MEASUREMENT
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Patent #:
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Issue Dt:
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11/20/2001
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Application #:
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09448733
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Filing Dt:
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11/24/1999
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Title:
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OPTICAL FIBER HAVING A BRAGG GRATING FORMED IN ITS CLADDING
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Patent #:
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Issue Dt:
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09/10/2002
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Application #:
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09449596
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Filing Dt:
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11/29/1999
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Title:
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FIBER BRAGG GRATING SENSOR SYSTEM HAVING ENHANCED STRAIN-TO-WAVELENGTH RESPONSIVITY BY USING A SPECTRAL BEATING BASED VERNIER EFFECT
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Patent #:
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Issue Dt:
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02/11/2003
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Application #:
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09455865
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Filing Dt:
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12/06/1999
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Title:
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TUBE-ENCASED FIBER GRATING
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Patent #:
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Issue Dt:
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03/08/2005
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Application #:
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09455866
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Filing Dt:
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12/06/1999
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Title:
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STRAIN-ISOLATED BRAGG GRATING TEMPERATURE SENSOR
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Patent #:
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Issue Dt:
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07/23/2002
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Application #:
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09455867
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Filing Dt:
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12/06/1999
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Title:
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BRAGG GRATING PRESSURE SENSOR
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Patent #:
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Issue Dt:
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01/03/2006
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Application #:
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09455868
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Filing Dt:
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12/06/1999
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Title:
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LARGE DIAMETER OPTICAL WAVEGUIDE, GRATING, AND LASER
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Patent #:
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Issue Dt:
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05/08/2001
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Application #:
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09456112
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Filing Dt:
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12/06/1999
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Title:
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COMPRESSION-TUNED BRAGG GRATING AND LASER
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Patent #:
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Issue Dt:
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09/17/2002
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Application #:
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09456113
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Filing Dt:
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12/06/1999
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Title:
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PRESSURE-ISOLATED BRAGG GRATING TEMPERATURE SENSOR
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Patent #:
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Issue Dt:
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02/12/2002
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Application #:
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09458911
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Filing Dt:
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12/10/1999
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Title:
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FIBER BRAGG GRATING PEAK DETECTION SYSTEM AND METHOD
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Patent #:
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Issue Dt:
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07/02/2002
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Application #:
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09487155
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Filing Dt:
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01/19/2000
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Title:
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HIGH ACCURACY BRAGG GRATING BASED PRESSURE SENSOR WITH DUAL RESOLUTION MODE
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Patent #:
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Issue Dt:
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09/30/2003
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Application #:
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09494417
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Filing Dt:
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01/31/2000
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Title:
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FLUID DIFFUSION RESISTANT GLASS-ENCASED FIBER OPTIC SENSOR
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Patent #:
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Issue Dt:
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09/24/2002
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Application #:
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09496718
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Filing Dt:
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02/02/2000
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Title:
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OPTICAL FIBER WITH A PURE SILICA CORE HAVING A BRAGG GRATING FORMED IN ITS CORE AND A PROCESS FOR PROVIDING SAME
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Patent #:
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Issue Dt:
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12/17/2002
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Application #:
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09497236
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Filing Dt:
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02/03/2000
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Title:
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TRANSMISSION CABLE OPTICAL FIBER PROTECTOR AND METHOD
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Patent #:
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Issue Dt:
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01/15/2002
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Application #:
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09497237
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Filing Dt:
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02/03/2000
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Title:
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Fiber optic sleeve assembly for use at a splice junction of a fiber optic cable
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Patent #:
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Issue Dt:
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08/05/2003
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Application #:
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09519785
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Filing Dt:
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03/07/2000
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Title:
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DISTRIBUTED SOUND SPEED MEASUREMENTS FOR MULTIPHASE FLOW MEASUREMENT
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Patent #:
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Issue Dt:
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03/05/2002
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Application #:
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09548792
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Filing Dt:
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04/13/2000
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Title:
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Fiber optic pressure sensor for DC pressure and temperature
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Patent #:
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Issue Dt:
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02/03/2004
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Application #:
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09594645
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Filing Dt:
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06/15/2000
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Title:
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FIBER OPTIC CABLE CONNECTORS FOR DOWNHOLE APPLICATIONS
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Patent #:
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Issue Dt:
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08/05/2003
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Application #:
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09612775
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Filing Dt:
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07/10/2000
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Title:
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METHOD AND APPARATUS FOR SEISMICALLY SURVEYING AN EARTH FORMATION IN RELATION TO A BOREHOLE
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Patent #:
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Issue Dt:
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09/03/2002
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Application #:
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09628114
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Filing Dt:
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07/28/2000
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Title:
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OPTICAL FIBER FEEDTHROUGH ASSEMBLY AND METHOD OF MAKING SAME
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Patent #:
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Issue Dt:
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02/25/2003
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Application #:
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09628264
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Filing Dt:
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07/28/2000
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Title:
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OPTICAL FIBER BULKHEAD FEEDTHROUGH ASSEMBLY AND METHOD OF MAKING SAME
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Patent #:
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Issue Dt:
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10/15/2002
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Application #:
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09645392
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Filing Dt:
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08/24/2000
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Title:
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OPTICAL FIBER HAVING A BRAGG GRATING IN A WRAP THAT RESISTS TEMPERATURE-INDUCED CHANGES IN LENGTH
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Patent #:
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Issue Dt:
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09/17/2002
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Application #:
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09677518
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Filing Dt:
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09/30/2000
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Title:
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ATHERMAL BRAGG GRATING PACKAGE WITH COURSE AND FINE MECHANICAL TUNING
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Patent #:
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Issue Dt:
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03/26/2002
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Application #:
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09691997
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Filing Dt:
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10/19/2000
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Title:
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Compression-tuned bragg grating and laser
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Patent #:
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Issue Dt:
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09/16/2003
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Application #:
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09699940
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Filing Dt:
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10/30/2000
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Title:
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TEMPERATURE COMPENSATED OPTICAL DEVICE
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Patent #:
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Issue Dt:
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02/20/2007
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Application #:
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09703823
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Filing Dt:
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11/01/2000
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Title:
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OPTICAL SYSTEM FEATURING CHIRPED BRAGG GRATING ETALON FOR PROVIDING PRECISE REFERENCE WAVELENGTHS
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Patent #:
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Issue Dt:
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10/22/2002
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Application #:
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09705326
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Filing Dt:
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11/03/2000
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Title:
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TUNABLE EXTERNAL CAVITY SEMICONDUCTOR LASER INCORPORATING A TUNABLE BRAGG GRATING
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Patent #:
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Issue Dt:
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07/15/2003
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Application #:
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09707083
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Filing Dt:
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11/06/2000
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Title:
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TUNABLE RAMAN LASER AND AMPLIFIER
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Patent #:
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Issue Dt:
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08/31/2004
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Application #:
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09726059
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Filing Dt:
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11/29/2000
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Publication #:
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Pub Dt:
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05/30/2002
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Title:
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METHOD AND APPARATUS FOR INTERROGATING FIBER OPTIC SENSORS
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Patent #:
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Issue Dt:
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12/31/2002
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Application #:
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09726060
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Filing Dt:
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11/29/2000
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Publication #:
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Pub Dt:
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05/30/2002
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Title:
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ISOLATION PAD FOR PROTECTING SENSING DEVICES ON THE OUTSIDE OF A CONDUIT
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Patent #:
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Issue Dt:
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04/22/2003
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Application #:
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09726061
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Filing Dt:
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11/29/2000
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Publication #:
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Pub Dt:
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05/30/2002
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Title:
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CIRCUMFERENTIAL STRAIN ATTENUATOR
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Patent #:
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Issue Dt:
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05/06/2003
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Application #:
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09726062
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Filing Dt:
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11/29/2000
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Publication #:
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Pub Dt:
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05/30/2002
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Title:
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NON-INTRUSIVE TEMPERATURE SENSOR FOR MEASURING INTERNAL TEMPERATURE OF FLUIDS WITHIN PIPES
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Patent #:
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Issue Dt:
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08/19/2003
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Application #:
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09729994
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Filing Dt:
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12/04/2000
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Publication #:
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Pub Dt:
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07/18/2002
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Title:
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METHOD AND APPARATUS FOR DETERMINING THE FLOW VELOCITY OF A FLUID WITHIN A PIPE
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Patent #:
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Issue Dt:
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09/03/2002
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Application #:
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09740757
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Filing Dt:
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11/29/2000
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Publication #:
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Pub Dt:
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05/30/2002
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Title:
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APPARATUS FOR PROTECTING SENSORS WITHIN A WELL ENVIRONMENT
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Patent #:
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Issue Dt:
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08/24/2004
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Application #:
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09740760
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Filing Dt:
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11/29/2000
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Publication #:
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Pub Dt:
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05/30/2002
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Title:
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APPARATUS FOR SENSING FLUID IN A PIPE
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Patent #:
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Issue Dt:
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08/05/2003
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Application #:
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09751672
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Filing Dt:
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12/29/2000
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Publication #:
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Pub Dt:
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12/05/2002
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Title:
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METHOD FOR ANNEALING AN OPTICAL WAVEGUIDE HAVING A BRAGG GRATING TO ACCELERATE AGEING
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Patent #:
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01/14/2003
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Application #:
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09872855
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Filing Dt:
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06/01/2001
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Publication #:
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Pub Dt:
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01/24/2002
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Title:
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OPTICAL FILTER DEVICE HAVING CREEP-RESISTANT OPTICAL FIBER ATTACHMENTS
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Patent #:
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Issue Dt:
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07/27/2004
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09873978
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Filing Dt:
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06/01/2001
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Publication #:
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Pub Dt:
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01/24/2002
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Title:
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OPTICAL SENSOR DEVICE HAVING CREEP-RESISTANT OPTICAL FIBER ATTACHMENTS
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Patent #:
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Issue Dt:
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10/12/2004
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09929423
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Filing Dt:
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08/14/2001
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Pub Dt:
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02/27/2003
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Title:
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METHOD FOR REDUCING SKEW IN A REAL-TIME CENTROID CALCULATION
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Patent #:
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Issue Dt:
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05/24/2005
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Application #:
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09996626
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Filing Dt:
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11/28/2001
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Publication #:
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Pub Dt:
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09/05/2002
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Title:
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METHOD AND APPARATUS FOR DETERMINING COMPONENT FLOW RATES FOR A MULTIPHASE FLOW
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Patent #:
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Issue Dt:
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07/01/2003
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Application #:
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09997221
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11/28/2001
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Publication #:
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Pub Dt:
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08/01/2002
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Title:
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METHOD AND SYSTEM FOR DETERMINING THE SPEED OF SOUND IN A FLUID WITHIN A CONDUIT
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Patent #:
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08/17/2004
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Application #:
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10007735
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11/08/2001
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Publication #:
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Pub Dt:
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10/24/2002
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Title:
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BRAGG GRATING PRESSURE SENSOR FOR INDUSTRIAL SENSING APPLICATIONS
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Patent #:
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Issue Dt:
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05/10/2005
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Application #:
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10007736
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Filing Dt:
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11/08/2001
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Publication #:
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Pub Dt:
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09/19/2002
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Title:
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FLOW RATE MEASUREMENT FOR INDUSTRIAL SENSING APPLICATIONS USING UNSTEADY PRESSURES
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Patent #:
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Issue Dt:
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05/11/2004
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Application #:
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10007749
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Filing Dt:
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11/08/2001
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Publication #:
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Pub Dt:
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10/24/2002
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Title:
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FLUID PARAMETER MEASUREMENT FOR INDUSTRIAL SENSING APPLICATIONS USING ACOUSTIC PRESSURES
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Patent #:
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Issue Dt:
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12/06/2005
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10010183
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11/07/2001
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Publication #:
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Pub Dt:
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05/08/2003
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Title:
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FLUID DENSITY MEASUREMENT IN PIPES USING ACOUSTIC PRESSURES
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Patent #:
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06/13/2006
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10011605
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11/09/2001
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Pub Dt:
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05/15/2003
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Title:
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FLUID DENSITY MEASUREMENT USING ACOUSTIC PRESSURES FOR INDUSTRIAL SENSING APPLICATIONS
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Patent #:
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03/08/2005
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10060114
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01/29/2002
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Pub Dt:
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09/26/2002
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Title:
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FLUID PARAMETER MEASUREMENT IN PIPES USING ACOUSTIC PRESSURES
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Patent #:
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05/10/2005
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10068266
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02/06/2002
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12/05/2002
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Title:
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HIGHLY SENSITIVE CROSS AXIS ACCELEROMETER
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02/07/2006
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10098891
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03/18/2002
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Pub Dt:
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12/26/2002
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Title:
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LARGE DIAMETER D-SHAPED OPTICAL WAVEGUIDE AND COUPLER
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Patent #:
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Issue Dt:
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10/26/2004
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10098923
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03/16/2002
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Pub Dt:
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09/18/2003
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Title:
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LARGE DIAMETER OPTICAL WAVEGUIDE HAVING BLAZED GRATING THEREIN
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Patent #:
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Issue Dt:
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11/30/2004
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10098925
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03/16/2002
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10/10/2002
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Title:
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MULTI-CORE WAVEGUIDE
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02/17/2004
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10115727
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04/03/2002
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12/26/2002
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Title:
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FLOW RATE MEASUREMENT USING UNSTEADY PRESSURES
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09/16/2003
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10132581
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04/25/2002
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MONITORING SYSTEM
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02/10/2004
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10139006
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05/03/2002
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09/12/2002
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OPTICAL FIBER CABLE FOR USE IN HARSH ENVIRONMENTS
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07/22/2003
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10146773
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05/16/2002
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01/30/2003
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BRAGG GRATING-BASED LASER
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05/24/2005
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10151475
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05/17/2002
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12/26/2002
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FABRY-PEROT SENSING ELEMENT BASED ON A LARGE-DIAMETER OPTICAL WAVEGUIDE
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06/22/2004
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10178939
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06/20/2002
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02/06/2003
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METHOD OF METALLIZATION OF AN OPTICAL WAVEGUIDE
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03/02/2004
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10186382
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06/28/2002
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01/01/2004
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VENTURI AUGMENTED FLOW METER
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12/30/2003
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10191710
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07/09/2002
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12/26/2002
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OPTICAL SENSOR HAVING DIFFERING DIAMETERS
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11/02/2004
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10193876
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07/12/2002
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11/21/2002
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PRESSURE-ISOLATED BRAGG GRATING TEMPERATURE SENSOR
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11/01/2005
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10224821
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08/21/2002
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02/27/2003
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APPARATUS AND METHOD HAVING AN OPTICAL FIBER DISPOSED CIRCUMFERENTIALLY AROUND THE PIPE FOR MEASURING UNSTEADY PRESSURE WITHIN A PIPE
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11/09/2004
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10256760
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09/27/2002
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04/10/2003
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DISTRIBUTED SOUND SPEED MEASUREMENTS FOR MULTIPHASE FLOW MEASUREMENT
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