Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 009375/0230 | |
| Pages: | 14 |
| | Recorded: | 08/13/1998 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
12
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Patent #:
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Issue Dt:
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Application #:
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05873085
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Filing Dt:
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Title:
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Patent #:
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Issue Dt:
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04/08/1986
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Application #:
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06570093
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Filing Dt:
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01/12/1984
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Title:
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DISPERSANT FOR WATER-BASED SOLIDS-CONTAINING FLUIDS AND A DRILLING FLUID
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Patent #:
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Issue Dt:
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02/24/1987
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Application #:
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06659521
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Filing Dt:
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10/10/1984
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Title:
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METHOD OF TREATING OIL CONTAMINATED CUTTINGS
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Patent #:
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Issue Dt:
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01/12/1988
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Application #:
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06919587
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Filing Dt:
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10/16/1986
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Title:
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SHALE-STABILIZING DRILLING FLUIDS AND METHOD FOR PRODUCING SAME
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Patent #:
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Issue Dt:
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09/03/1991
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Application #:
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07275201
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Filing Dt:
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11/22/1988
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Title:
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USE OF POLYALPHALOLEFIN IN DOWNHOLE DRILLING
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Patent #:
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Issue Dt:
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05/19/1992
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Application #:
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07473474
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Filing Dt:
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02/01/1990
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Title:
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A METHOD OF MAKING DRILLING FLUID CONTAINING ASPHALTITE IN A DISPERSED STATE
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Patent #:
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Issue Dt:
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05/19/1992
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Application #:
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07482852
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Filing Dt:
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02/22/1990
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Title:
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A METHOD OF MAKING A DRILLING FLUID CONTAINING CARBON BLACK IN A DISPERSED STATE
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Patent #:
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Issue Dt:
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05/05/1992
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Application #:
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07569351
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Filing Dt:
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08/17/1990
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Title:
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DRILL CUTTINGS DISPOSAL METHOD AND SYSTEM
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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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08974405
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Filing Dt:
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11/19/1997
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Title:
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DRILLING FLUID SYSTEM AND RELATED METHODS
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Patent #:
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Issue Dt:
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08/24/1999
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Application #:
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08986668
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Filing Dt:
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12/08/1997
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Title:
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DRILLING FLUID SYSTEM CONTAINING A COMBINATION OF HYDROPHILIC CARBON BLACK/ASPHALTITE AND A REFINED FISH OIL/GLYCOL MIXTURE AND RELATED METHODS
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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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08986779
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Filing Dt:
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12/08/1997
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Title:
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DRILLING FLUID ADDITIVE CONTAINING A FISH OIL/GLYCOL MIXTURE AND RELATED METHODS
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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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08993425
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Filing Dt:
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12/18/1997
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Title:
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CHAIN ENTANGLEMENT CROSSLINKED POLYMERS
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Assignee
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| 249 FIFTH AVENUE |
| ONE PNC PLAZA, 3RD FLOOR |
| PITTSBURGH, PENNSYLVANIA 15222 |
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Correspondence name and address
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F.X. MATT, ESQUIRE
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600 GRANT STREET
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58TH FLOOR, USX TOWER
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PITTSBURGH, PENNSYLVANIA 15219
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Domestic representative
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THOMAS A. MAJESKI, VICE PRESIDENT
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PNC BANK, NATIONAL ASSOCIATION
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ONCE PNC PLAZA, 3RD FLOOR
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249 FIFTH AVENUE
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PITTSBURGH, PENNSYLVANIA 15222-2707
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