Total properties:
89
|
|
Patent #:
|
|
Issue Dt:
|
11/18/1986
|
Application #:
|
06776452
|
Filing Dt:
|
09/16/1985
|
Title:
|
SEAL ASSEMBLY FOR DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
10/21/1986
|
Application #:
|
06777279
|
Filing Dt:
|
09/18/1985
|
Title:
|
HARDENED BEARING SURFACE AND METHOD OF FORMING SAME
|
|
|
Patent #:
|
|
Issue Dt:
|
07/28/1987
|
Application #:
|
06830399
|
Filing Dt:
|
02/18/1986
|
Title:
|
MOUNTING MEANS FOR CUTTING ELEMENTS IN DRAG TYPE ROTARY DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
05/16/1989
|
Application #:
|
07061413
|
Filing Dt:
|
06/12/1987
|
Title:
|
MOUNTING MEANS FOR CUTTING ELEMENTS IN DRAG TYPE ROTARY DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
03/13/1990
|
Application #:
|
07084892
|
Filing Dt:
|
08/13/1987
|
Title:
|
ROTARY DRILL BIT HAVING IMPROVED MOUNTING MEANS FOR MULTIPLE CUTTING ELEMENTS
|
|
|
Patent #:
|
|
Issue Dt:
|
04/25/1989
|
Application #:
|
07118604
|
Filing Dt:
|
11/09/1987
|
Title:
|
ROTARY DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
04/24/1990
|
Application #:
|
07148072
|
Filing Dt:
|
01/25/1988
|
Title:
|
CUTTING STRUCTURES FOR STEEL BODIED ROTARY DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
07/18/1989
|
Application #:
|
07162289
|
Filing Dt:
|
02/29/1988
|
Title:
|
DRILL BIT HAVING OFFSET ROLLER CUTTERS AND IMPROVED NOZZLES
|
|
|
Patent #:
|
|
Issue Dt:
|
06/13/1989
|
Application #:
|
07186022
|
Filing Dt:
|
04/25/1988
|
Title:
|
SEAL ASSEMBLY FOR ROTARY DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
12/19/1989
|
Application #:
|
07218642
|
Filing Dt:
|
07/13/1988
|
Title:
|
ROLLER CUTTER DRILL BIT AND METHOD OF FORMING
|
|
|
Patent #:
|
|
Issue Dt:
|
07/18/1989
|
Application #:
|
07270431
|
Filing Dt:
|
11/07/1988
|
Title:
|
DRAG DRILL BIT HAVING IMPROVED ARRANGEMENT OF CUTTING ELEMENTS
|
|
|
Patent #:
|
|
Issue Dt:
|
03/27/1990
|
Application #:
|
07312459
|
Filing Dt:
|
02/21/1989
|
Title:
|
MEANS FOR RETAINING ROLLER CUTTERS ON ROTARY DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
07/10/1990
|
Application #:
|
07333576
|
Filing Dt:
|
04/05/1989
|
Title:
|
CUTTING ELEMENTS FOR ROLLER CUTTER DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
02/05/1991
|
Application #:
|
07381040
|
Filing Dt:
|
07/17/1989
|
Title:
|
DRILL BIT HAVING IMPROVED HYDRAULIC ACTION FOR DIRECTING DRILLING FLUID
|
|
|
Patent #:
|
|
Issue Dt:
|
11/13/1990
|
Application #:
|
07420872
|
Filing Dt:
|
10/13/1989
|
Title:
|
CASE HARDENED ROLLER CUTTER FOR A ROTARY DRILL BIT AND METHOD OF MAKING
|
|
|
Patent #:
|
|
Issue Dt:
|
02/12/1991
|
Application #:
|
07433689
|
Filing Dt:
|
11/08/1989
|
Title:
|
ROTARY DRILL BIT FOR USE IN DRILLING HOLES IN SUBSURFACE EARTH FORMATIONS
|
|
|
Patent #:
|
|
Issue Dt:
|
01/08/1991
|
Application #:
|
07437180
|
Filing Dt:
|
11/16/1989
|
Title:
|
METHOD OF MAKING LUG JOURNAL FOR ROLLER CUTTER DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
05/07/1991
|
Application #:
|
07475285
|
Filing Dt:
|
02/05/1990
|
Title:
|
METHOD OF MAKING A THREADED RETAINER RING FOR A ROLLER CUTTER ON A DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
02/12/1991
|
Application #:
|
07492789
|
Filing Dt:
|
03/13/1990
|
Title:
|
MEANS FOR MOUNTING A ROLLER CUTTER ON A DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
07/09/1991
|
Application #:
|
07502046
|
Filing Dt:
|
03/30/1990
|
Title:
|
NOZZLE MEANS FOR ROTARY DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
08/20/1991
|
Application #:
|
07566129
|
Filing Dt:
|
08/13/1990
|
Title:
|
SEAL ASSEMBLY FOR ROLLER CUTTER DRILL BIT HAVING A PRESSURE BALANCED LUBRICATION SYSTEM
|
|
|
Patent #:
|
|
Issue Dt:
|
03/17/1992
|
Application #:
|
07613241
|
Filing Dt:
|
11/14/1990
|
Title:
|
HYDRAULIC ACTION FOR ROTARY DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
12/17/1991
|
Application #:
|
07643486
|
Filing Dt:
|
01/22/1991
|
Title:
|
PRESSURE COMPENSATOR FOR DRILL BIT LUBRICATION SYSTEM
|
|
|
Patent #:
|
|
Issue Dt:
|
11/10/1992
|
Application #:
|
07726024
|
Filing Dt:
|
07/05/1991
|
Title:
|
ALUMINIDE COATED BEARING ELEMENTS FOR ROLLER CUTTER DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
01/24/1995
|
Application #:
|
08110854
|
Filing Dt:
|
08/24/1993
|
Title:
|
THREADED RING RETENTION MECHANISM
|
|
|
Patent #:
|
|
Issue Dt:
|
11/14/1995
|
Application #:
|
08111373
|
Filing Dt:
|
08/24/1993
|
Title:
|
ROLLING CUTTER DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
12/13/1994
|
Application #:
|
08136442
|
Filing Dt:
|
10/12/1993
|
Title:
|
ROLLING CUTTER DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
11/28/1995
|
Application #:
|
08163344
|
Filing Dt:
|
12/07/1993
|
Title:
|
CUTTING ELEMENTS FOR ROTARY DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
08/12/1997
|
Application #:
|
08443021
|
Filing Dt:
|
05/17/1995
|
Title:
|
SUSTAINED RELEASE MICROSPHERE PREPARATION CONTAINING ANTIPSYCHOTIC DRUG AND PRODUCTION PROCESS THEREOF
|
|
|
Patent #:
|
|
Issue Dt:
|
03/10/1998
|
Application #:
|
08506993
|
Filing Dt:
|
07/28/1995
|
Title:
|
ROLLING CUTTER DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
10/21/1997
|
Application #:
|
08515536
|
Filing Dt:
|
08/15/1995
|
Title:
|
IMPROVED BI-CENTER BIT AND METHOD FOR ENHANCING STABILITY
|
|
|
Patent #:
|
|
Issue Dt:
|
05/13/1997
|
Application #:
|
08520431
|
Filing Dt:
|
08/29/1995
|
Title:
|
THRUST FACE LUBRICATION SYSTEM FOR A ROLLING CUTTER DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
09/30/1997
|
Application #:
|
08540685
|
Filing Dt:
|
10/02/1995
|
Title:
|
DRILL BIT WITH DUAL REAMING ROWS
|
|
|
Patent #:
|
|
Issue Dt:
|
10/14/1997
|
Application #:
|
08627171
|
Filing Dt:
|
04/03/1996
|
Title:
|
FLOW CHANNELS FOR TOOTH TYPE ROLLING CUTTER DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
09/08/1998
|
Application #:
|
08655988
|
Filing Dt:
|
05/31/1996
|
Title:
|
STABILIZING DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
10/06/1998
|
Application #:
|
08659502
|
Filing Dt:
|
06/06/1996
|
Title:
|
ROTARY DRILL BITS AND METHODS OF DESIGNING SUCH DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
04/21/1998
|
Application #:
|
08673978
|
Filing Dt:
|
07/01/1996
|
Title:
|
HARDFACING MATERIAL FOR ROLLING CUTTER DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
03/02/1999
|
Application #:
|
08685851
|
Filing Dt:
|
07/24/1996
|
Title:
|
DIFFERENT STIFFNESS ENERGIZERS FOR MF SEALS
|
|
|
Patent #:
|
|
Issue Dt:
|
11/24/1998
|
Application #:
|
08771000
|
Filing Dt:
|
12/23/1996
|
Title:
|
DIRECTIONAL DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
08/03/1999
|
Application #:
|
08781217
|
Filing Dt:
|
01/10/1997
|
Title:
|
HYDROSTATIC THRUST FACE LUBRICATION SYSTEM
|
|
|
Patent #:
|
|
Issue Dt:
|
11/23/1999
|
Application #:
|
08903913
|
Filing Dt:
|
07/31/1997
|
Title:
|
HARDMETAL FACING FOR EARTH BORING DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
09/14/1999
|
Application #:
|
08909432
|
Filing Dt:
|
04/15/1997
|
Title:
|
METHODS AND RELATED EQUIPMENT FOR ROTARY DRILLING
|
|
|
Patent #:
|
|
Issue Dt:
|
12/29/1998
|
Application #:
|
08942128
|
Filing Dt:
|
10/01/1997
|
Title:
|
ROCK BIT CUTTER RETAINER WITH DIFFERENTIALLY PITCHED THREADS
|
|
|
Patent #:
|
|
Issue Dt:
|
10/19/1999
|
Application #:
|
08950286
|
Filing Dt:
|
10/14/1997
|
Title:
|
ROCK BIT HARDMETAL OVERLAY AND PROCESS OF MANUFACTURE
|
|
|
Patent #:
|
|
Issue Dt:
|
11/30/1999
|
Application #:
|
08955147
|
Filing Dt:
|
10/21/1997
|
Title:
|
BI-CENTER BIT WITH OPPOSITELY DISPOSED CUTTING SURFACES
|
|
|
Patent #:
|
|
Issue Dt:
|
03/12/2002
|
Application #:
|
08971504
|
Filing Dt:
|
11/17/1997
|
Title:
|
ROLLING CUTTER DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
01/04/2000
|
Application #:
|
09014116
|
Filing Dt:
|
01/27/1998
|
Title:
|
CORING TOOL
|
|
|
Patent #:
|
|
Issue Dt:
|
05/30/2000
|
Application #:
|
09021012
|
Filing Dt:
|
02/09/1998
|
Title:
|
CUTTING ELEMENT
|
|
|
Patent #:
|
|
Issue Dt:
|
11/07/2000
|
Application #:
|
09057714
|
Filing Dt:
|
04/02/1998
|
Title:
|
REDUCED EROSION NOZZLE SYSTEM AND METHOD FOR THE USE OF DRILL BITS TO REDUCE EROSION
|
|
|
Patent #:
|
|
Issue Dt:
|
02/22/2000
|
Application #:
|
09129179
|
Filing Dt:
|
04/16/1998
|
Title:
|
CUTTING ELEMENT WITH STRESS REDUCTION
|
|
|
Patent #:
|
|
Issue Dt:
|
11/09/1999
|
Application #:
|
09149196
|
Filing Dt:
|
09/08/1998
|
Title:
|
STABILIZING DRILL BIT WITH IMPROVED CUTTING ELEMENTS
|
|
|
Patent #:
|
|
Issue Dt:
|
01/02/2001
|
Application #:
|
09183504
|
Filing Dt:
|
10/30/1998
|
Title:
|
WEAR INDICATOR FOR ROTARY DRILLING TOOLS
|
|
|
Patent #:
|
|
Issue Dt:
|
05/09/2000
|
Application #:
|
09190804
|
Filing Dt:
|
11/11/1998
|
Title:
|
PNEUMATIC ISOSTATIC FORGING OF SINTERED COMPACTS
|
|
|
Patent #:
|
|
Issue Dt:
|
08/29/2000
|
Application #:
|
09196478
|
Filing Dt:
|
11/19/1998
|
Title:
|
FACE SEAL HAVING STRAIN INDUCED FACE GEOMETRY
|
|
|
Patent #:
|
|
Issue Dt:
|
08/01/2000
|
Application #:
|
09234854
|
Filing Dt:
|
01/22/1999
|
Title:
|
ROLLING CUTTER DRILL BIT WITH STABILIZED INSERT HOLES AND METHOD FOR MAKING A ROLLING CUTTER DRILL BIT WITH STABILIZED INSERT HOLES
|
|
|
Patent #:
|
|
Issue Dt:
|
10/24/2000
|
Application #:
|
09265266
|
Filing Dt:
|
03/09/1999
|
Title:
|
FIXED CUTTER DRILL BITS WITH THIN, INTEGRALLY FORMED WEAR AND EROSION RESISTANT SURFACES
|
|
|
Patent #:
|
|
Issue Dt:
|
07/02/2002
|
Application #:
|
09321362
|
Filing Dt:
|
05/27/1999
|
Publication #:
|
|
Pub Dt:
|
11/29/2001
| | | | |
Title:
|
TWO STAGE DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
01/09/2001
|
Application #:
|
09326236
|
Filing Dt:
|
06/04/1999
|
Title:
|
METHOD AND APPARATUS FOR LOADING LUBRICANT INTO EARTH BORING BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
04/04/2000
|
Application #:
|
09360751
|
Filing Dt:
|
07/26/1999
|
Title:
|
ROCK BIT HARDMETAL OVERLAY AND PROCESS OF MANUFACTURE
|
|
|
Patent #:
|
|
Issue Dt:
|
10/31/2000
|
Application #:
|
09378091
|
Filing Dt:
|
08/20/1999
|
Title:
|
ROCK BIT LUBRICANT RELIEF VALVE
|
|
|
Patent #:
|
|
Issue Dt:
|
11/13/2001
|
Application #:
|
09391033
|
Filing Dt:
|
09/07/1999
|
Title:
|
CUTTING ELEMENT WITH STRESS REDUCTION
|
|
|
Patent #:
|
|
Issue Dt:
|
01/22/2002
|
Application #:
|
09392043
|
Filing Dt:
|
09/08/1999
|
Publication #:
|
|
Pub Dt:
|
11/29/2001
| | | | |
Title:
|
BI-CENTER BIT ADAPTED TO DRILL CASING SHOE
|
|
|
Patent #:
|
|
Issue Dt:
|
01/23/2001
|
Application #:
|
09417041
|
Filing Dt:
|
10/12/1999
|
Title:
|
ROCK BIT FACE SEAL HAVING ANTI-ROTATION PINS
|
|
|
Patent #:
|
|
Issue Dt:
|
02/27/2001
|
Application #:
|
09444072
|
Filing Dt:
|
11/22/1999
|
Title:
|
DRAG-TYPE ROTARY DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
04/16/2002
|
Application #:
|
09447059
|
Filing Dt:
|
11/22/1999
|
Title:
|
DRAG-TYPE ROTARY DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
06/19/2001
|
Application #:
|
09452774
|
Filing Dt:
|
12/02/1999
|
Title:
|
SINGLE ENERGIZER FACE SEAL FOR ROCK BITS WITH FLOATING JOURNAL BEARINGS
|
|
|
Patent #:
|
|
Issue Dt:
|
01/15/2002
|
Application #:
|
09492731
|
Filing Dt:
|
01/27/2000
|
Title:
|
Volume reduction mandrel for use in pneumatic isostatic forging
|
|
|
Patent #:
|
|
Issue Dt:
|
02/19/2002
|
Application #:
|
09547525
|
Filing Dt:
|
04/12/2000
|
Title:
|
Tooth type drill bit with secondary cutting elements and stress reducing tooth geometry
|
|
|
Patent #:
|
|
Issue Dt:
|
06/11/2002
|
Application #:
|
09583488
|
Filing Dt:
|
05/31/2000
|
Title:
|
CUTTING ELEMENT WITH STRESS REDUCTION
|
|
|
Patent #:
|
|
Issue Dt:
|
05/28/2002
|
Application #:
|
09645235
|
Filing Dt:
|
08/24/2000
|
Title:
|
NON-CIRCULAR GAUGE REAMING ROW INSERTS
|
|
|
Patent #:
|
|
Issue Dt:
|
11/26/2002
|
Application #:
|
09682165
|
Filing Dt:
|
07/30/2001
|
Publication #:
|
|
Pub Dt:
|
02/28/2002
| | | | |
Title:
|
FAILURE INDICATOR FOR ROLLING CUTTER DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
08/06/2002
|
Application #:
|
09683022
|
Filing Dt:
|
11/08/2001
|
Title:
|
ROCK BIT FACE SEAL HAVING LUBRICATION GAP
|
|
|
Patent #:
|
|
Issue Dt:
|
08/27/2002
|
Application #:
|
09683030
|
Filing Dt:
|
11/09/2001
|
Publication #:
|
|
Pub Dt:
|
08/15/2002
| | | | |
Title:
|
FABRICATION PROCESS FOR POWDER COMPOSITE ROD
|
|
|
Patent #:
|
|
Issue Dt:
|
07/09/2002
|
Application #:
|
09702507
|
Filing Dt:
|
10/31/2000
|
Title:
|
ROLLING CUTTER DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
03/26/2002
|
Application #:
|
09782341
|
Filing Dt:
|
02/13/2001
|
Title:
|
FABRICATION PROCESS FOR HIGH DENSITY POWDER COMPOSITE HARDFACING ROD
|
|
|
Patent #:
|
|
Issue Dt:
|
10/22/2002
|
Application #:
|
09841659
|
Filing Dt:
|
04/24/2001
|
Publication #:
|
|
Pub Dt:
|
10/24/2002
| | | | |
Title:
|
ACCELEROMETER CALIPER WHILE DRILLING
|
|
|
Patent #:
|
|
Issue Dt:
|
10/07/2003
|
Application #:
|
09969444
|
Filing Dt:
|
10/02/2001
|
Publication #:
|
|
Pub Dt:
|
07/18/2002
| | | | |
Title:
|
BI-CENTER BIT ADAPTED TO DRILL CASING SHOE
|
|
|
Patent #:
|
|
Issue Dt:
|
08/31/2004
|
Application #:
|
10307049
|
Filing Dt:
|
11/27/2002
|
Publication #:
|
|
Pub Dt:
|
05/27/2004
| | | | |
Title:
|
WATER-TREATING DEVICE
|
|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
10604714
|
Filing Dt:
|
08/12/2003
|
Publication #:
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|
Pub Dt:
|
06/10/2004
| | | | |
Title:
|
Hydraulic Optimization of Drilling Fluids in Borehole Drilling
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|
|
Patent #:
|
|
Issue Dt:
|
05/02/2006
|
Application #:
|
10605177
|
Filing Dt:
|
09/12/2003
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Publication #:
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|
Pub Dt:
|
03/17/2005
| | | | |
Title:
|
LIP SEAL FOR ROLLER CONE DRILL BIT
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|
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Patent #:
|
|
Issue Dt:
|
10/12/2004
|
Application #:
|
10605627
|
Filing Dt:
|
10/15/2003
|
Title:
|
APPARATUS FOR WEIGHT ON BIT MEASUREMENTS, AND METHODS OF USING SAME
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|
|
Patent #:
|
|
Issue Dt:
|
01/31/2006
|
Application #:
|
10701232
|
Filing Dt:
|
11/03/2003
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Publication #:
|
|
Pub Dt:
|
05/05/2005
| | | | |
Title:
|
EXPANDABLE ECCENTRIC REAMER AND METHOD OF USE IN DRILLING
|
|
|
Patent #:
|
|
Issue Dt:
|
01/30/2007
|
Application #:
|
10709108
|
Filing Dt:
|
04/14/2004
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Publication #:
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|
Pub Dt:
|
10/20/2005
| | | | |
Title:
|
ON-BIT, ANALOG MULTIPLEXER FOR TRANSMISSION OF MULTI-CHANNEL DRILLING INFORMATION
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|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
10709625
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Filing Dt:
|
05/18/2004
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Publication #:
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|
Pub Dt:
|
11/24/2005
| | | | |
Title:
|
Equipment Housing for Downhole Measurements
|
|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
10709653
|
Filing Dt:
|
05/20/2004
|
Publication #:
|
|
Pub Dt:
|
11/24/2005
| | | | |
Title:
|
Self-Aligning Insert for Drill Bits
|
|
|
Patent #:
|
|
Issue Dt:
|
10/25/2005
|
Application #:
|
10711589
|
Filing Dt:
|
09/27/2004
|
Publication #:
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|
Pub Dt:
|
04/21/2005
| | | | |
Title:
|
APPARATUS FOR WEIGHT ON BIT MEASUREMENTS, AND METHODS OF USING SAME
|
|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
10711608
|
Filing Dt:
|
09/28/2004
|
Publication #:
|
|
Pub Dt:
|
03/30/2006
| | | | |
Title:
|
Removable Equipment Housing for Downhole Measurements
|
|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
10906232
|
Filing Dt:
|
02/10/2005
|
Publication #:
|
|
Pub Dt:
|
08/10/2006
| | | | |
Title:
|
Fluid-Soluble Pattern Material for Investment Casting Process, and Methods for Using Same
|
|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
10908040
|
Filing Dt:
|
04/26/2005
|
Publication #:
|
|
Pub Dt:
|
10/26/2006
| | | | |
Title:
|
COMPOSITE STRUCTURE HAVING A NON-PLANAR INTERFACE AND METHOD OF MAKING SAME
|
|