Total properties:
90
|
|
Patent #:
|
|
Issue Dt:
|
04/14/1987
|
Application #:
|
06345468
|
Filing Dt:
|
02/03/1982
|
Title:
|
ROLLING CUTTER DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
05/14/1985
|
Application #:
|
06437927
|
Filing Dt:
|
11/01/1982
|
Title:
|
DRILL BIT HAVING ANGLED NOZZLES FOR IMPROVED BIT AND WELL BORE CLEANING
|
|
|
Patent #:
|
|
Issue Dt:
|
03/19/1985
|
Application #:
|
06443657
|
Filing Dt:
|
11/22/1982
|
Title:
|
DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
09/03/1985
|
Application #:
|
06468668
|
Filing Dt:
|
02/22/1983
|
Title:
|
PDC CUTTER AND BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
12/17/1985
|
Application #:
|
06468669
|
Filing Dt:
|
02/22/1983
|
Title:
|
DRAG BIT AND CUTTERS
|
|
|
Patent #:
|
|
Issue Dt:
|
04/24/1984
|
Application #:
|
06480560
|
Filing Dt:
|
03/30/1983
|
Title:
|
COMBINATION DRAG AND ROLLER CUTTER DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
11/26/1985
|
Application #:
|
06510693
|
Filing Dt:
|
07/05/1983
|
Title:
|
ROTARY DRILL BIT HAVING DRAG CUTTING ELEMENTS
|
|
|
Patent #:
|
|
Issue Dt:
|
04/15/1986
|
Application #:
|
06547183
|
Filing Dt:
|
10/31/1983
|
Title:
|
DRILL BIT HAVING REPLACEABLE NOZZLES DIRECTING DRILLING FLUID AT A PREDETERMINED ANGLE
|
|
|
Patent #:
|
|
Issue Dt:
|
09/16/1986
|
Application #:
|
06553937
|
Filing Dt:
|
11/21/1983
|
Title:
|
DRILL BIT HAVING OFFSET ROLLER CUTTERS AND IMPROVED NOZZLES
|
|
|
Patent #:
|
|
Issue Dt:
|
06/17/1986
|
Application #:
|
06571410
|
Filing Dt:
|
01/17/1984
|
Title:
|
ROTARY DRILL BIT, PARTS THEREFOR, AND METHOD OF MANUFACTURING THEREOF
|
|
|
Patent #:
|
|
Issue Dt:
|
12/17/1985
|
Application #:
|
06573245
|
Filing Dt:
|
01/23/1984
|
Title:
|
DRILL BIT HAVING ANGLED NOZZLES
|
|
|
Patent #:
|
|
Issue Dt:
|
02/18/1986
|
Application #:
|
06575556
|
Filing Dt:
|
01/31/1984
|
Title:
|
DRILL BIT CUTTER
|
|
|
Patent #:
|
|
Issue Dt:
|
09/24/1985
|
Application #:
|
06575644
|
Filing Dt:
|
01/31/1984
|
Title:
|
NOZZLE ASSEMBLY FOR AN EARTH BORING DRILL BIT
|
|
|
Patent #:
|
|
Issue Dt:
|
02/03/1987
|
Application #:
|
06578182
|
Filing Dt:
|
02/08/1984
|
Title:
|
DRILL BIT AND CUTTER THEREFOR
|
|
|
Patent #:
|
|
Issue Dt:
|
10/22/1985
|
Application #:
|
06580502
|
Filing Dt:
|
02/15/1984
|
Title:
|
DRILL BIT HAVING A FAILURE INDICATOR
|
|
|
Patent #:
|
|
Issue Dt:
|
10/15/1985
|
Application #:
|
06625495
|
Filing Dt:
|
06/28/1984
|
Title:
|
DRILL BIT HAVING ANGLED NOZZLES FOR IMPROVED BIT AND WELL BORE CLEANING
|
|
|
Patent #:
|
|
Issue Dt:
|
10/28/1986
|
Application #:
|
06649646
|
Filing Dt:
|
09/12/1984
|
Title:
|
ROLLER CUTTER DRILL BIT HAVING A TEXTURIZED SEAL MEMBER
|
|
|
Patent #:
|
|
Issue Dt:
|
07/15/1986
|
Application #:
|
06676244
|
Filing Dt:
|
11/29/1984
|
Title:
|
METHOD AND APPARATUS FOR MACHINING A WORKPIECE
|
|
|
Patent #:
|
|
Issue Dt:
|
06/02/1987
|
Application #:
|
06693848
|
Filing Dt:
|
01/25/1985
|
Title:
|
DRILL BIT AND CUTTER THEREFOR
|
|
|
Patent #:
|
|
Issue Dt:
|
01/12/1988
|
Application #:
|
06754506
|
Filing Dt:
|
07/12/1985
|
Title:
|
ROTARY DRILL BITS
|
|
|
Patent #:
|
|
Issue Dt:
|
04/28/1987
|
Application #:
|
06763031
|
Filing Dt:
|
08/06/1985
|
Title:
|
DRAG TYPE DRILL BIT
|
|
|
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:
|
06/30/1987
|
Application #:
|
06823681
|
Filing Dt:
|
01/29/1986
|
Title:
|
DRILL BIT AND CUTTER THEREFOR
|
|
|
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:
|
08/25/1987
|
Application #:
|
06895288
|
Filing Dt:
|
08/11/1986
|
Title:
|
DRILL BIT HAVING A FAILURE INDICATOR
|
|
|
Patent #:
|
|
Issue Dt:
|
05/03/1988
|
Application #:
|
06908080
|
Filing Dt:
|
09/15/1986
|
Title:
|
DRILL BIT HAVING OFFSET ROLLER CUTTERS AND IMPROVED NOZZLES
|
|
|
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:
|
01/14/1992
|
Application #:
|
07686136
|
Filing Dt:
|
04/16/1991
|
Title:
|
SEAL ASSEMBLY FOR ROLLER CUTTER DRILL BIT HAVING A PRESSURE BALANCED 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:
|
03/10/1998
|
Application #:
|
08506993
|
Filing Dt:
|
07/28/1995
|
Title:
|
ROLLING CUTTER DRILL BITS
|
|
|
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:
|
08/05/1997
|
Application #:
|
08559959
|
Filing Dt:
|
11/17/1995
|
Title:
|
HARDMETAL FACING FOR ROLLING CUTTER DRILL BIT
|
|
|
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:
|
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:
|
03/12/2002
|
Application #:
|
08971504
|
Filing Dt:
|
11/17/1997
|
Title:
|
ROLLING CUTTER DRILL BITS
|
|
|
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:
|
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:
|
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:
|
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:
|
02/11/2003
|
Application #:
|
09827672
|
Filing Dt:
|
04/06/2001
|
Publication #:
|
|
Pub Dt:
|
12/06/2001
| | | | |
Title:
|
METHODS OF TREATING PREFORM ELEMENTS
|
|
|
Patent #:
|
|
Issue Dt:
|
10/22/2002
|
Application #:
|
09841659
|
Filing Dt:
|
04/24/2001
|
Publication #:
|
|
Pub Dt:
|
10/24/2002
| | | | |
Title:
|
ACCELEROMETER CALIPER WHILE DRILLING
|
|