Total properties:
58
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Patent #:
|
|
Issue Dt:
|
04/19/1983
|
Application #:
|
06202795
|
Filing Dt:
|
10/31/1980
|
Title:
|
WELL TOOL
|
|
|
Patent #:
|
|
Issue Dt:
|
12/24/1985
|
Application #:
|
06517484
|
Filing Dt:
|
07/26/1983
|
Title:
|
INVERTED CONE STUFFING BOX
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|
|
Patent #:
|
|
Issue Dt:
|
05/20/1986
|
Application #:
|
06676842
|
Filing Dt:
|
11/30/1984
|
Title:
|
ROD CENTALIZER
|
|
|
Patent #:
|
|
Issue Dt:
|
03/11/1986
|
Application #:
|
06687830
|
Filing Dt:
|
12/31/1984
|
Title:
|
ROD GUIDE
|
|
|
Patent #:
|
|
Issue Dt:
|
08/12/1986
|
Application #:
|
06689412
|
Filing Dt:
|
01/07/1985
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Title:
|
INSULATING UNION AND METHOD
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|
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Patent #:
|
|
Issue Dt:
|
05/20/1986
|
Application #:
|
06721263
|
Filing Dt:
|
04/08/1985
|
Title:
|
PRESSURE RESPONSIVE SAFETY INTERLOCK
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|
|
Patent #:
|
|
Issue Dt:
|
02/17/1987
|
Application #:
|
06743551
|
Filing Dt:
|
06/11/1985
|
Title:
|
QUICK-CONNECT HOSE COUPLING
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|
|
Patent #:
|
|
Issue Dt:
|
11/14/1989
|
Application #:
|
07165662
|
Filing Dt:
|
03/08/1988
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Title:
|
UNITIZED INSTRUMENT MANIFOLD
|
|
|
Patent #:
|
|
Issue Dt:
|
12/12/1989
|
Application #:
|
07217203
|
Filing Dt:
|
07/11/1988
|
Title:
|
COUPLING WITH IMPROVED ELASTOMERIC FACE SEAL
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|
|
Patent #:
|
|
Issue Dt:
|
10/31/1989
|
Application #:
|
07287414
|
Filing Dt:
|
12/20/1988
|
Title:
|
AUTOMATED SUCKER ROD CLEANING APPARATUS
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|
|
Patent #:
|
|
Issue Dt:
|
07/02/1991
|
Application #:
|
07422490
|
Filing Dt:
|
10/17/1989
|
Title:
|
NON-CRUSHING WELLHEAD
|
|
|
Patent #:
|
|
Issue Dt:
|
05/26/1992
|
Application #:
|
07682164
|
Filing Dt:
|
04/05/1991
|
Title:
|
LOW TURBULENCE ROD GUIDE
|
|
|
Patent #:
|
|
Issue Dt:
|
09/28/1993
|
Application #:
|
07849762
|
Filing Dt:
|
03/12/1992
|
Title:
|
CENTRALIZER
|
|
|
Patent #:
|
|
Issue Dt:
|
01/11/1994
|
Application #:
|
07997160
|
Filing Dt:
|
12/23/1992
|
Title:
|
HELICAL ROD GUIDE
|
|
|
Patent #:
|
|
Issue Dt:
|
08/23/1994
|
Application #:
|
08058106
|
Filing Dt:
|
05/06/1993
|
Title:
|
FIELD INSTALLABLE ROD GUIDE AND METHOD
|
|
|
Patent #:
|
|
Issue Dt:
|
10/25/1994
|
Application #:
|
08067730
|
Filing Dt:
|
05/26/1993
|
Title:
|
ROD GUIDE
|
|
|
Patent #:
|
|
Issue Dt:
|
06/27/1995
|
Application #:
|
08198114
|
Filing Dt:
|
02/17/1994
|
Title:
|
TUBING ROTATOR AND HANGER
|
|
|
Patent #:
|
|
Issue Dt:
|
02/27/1996
|
Application #:
|
08272414
|
Filing Dt:
|
07/08/1994
|
Title:
|
SNAP-ON ROD GUIDE
|
|
|
Patent #:
|
|
Issue Dt:
|
09/26/1995
|
Application #:
|
08308306
|
Filing Dt:
|
09/19/1994
|
Title:
|
WELL PUMP TUBING SCRAPERS
|
|
|
Patent #:
|
|
Issue Dt:
|
02/20/1996
|
Application #:
|
08314054
|
Filing Dt:
|
09/28/1994
|
Title:
|
WELLHEAD FLANGE FOR INTERCONNECTING A THREADED WELLHEAD AND A FLANGED BLOWOUT PREVENTER
|
|
|
Patent #:
|
|
Issue Dt:
|
02/20/1996
|
Application #:
|
08328725
|
Filing Dt:
|
10/25/1994
|
Title:
|
ROD GUIDE WITH ENHANCED ERODABLE VOLUME
|
|
|
Patent #:
|
|
Issue Dt:
|
03/17/1998
|
Application #:
|
08421243
|
Filing Dt:
|
04/13/1995
|
Title:
|
WELL ROD CENTRALIZER/CENTRALIZER STOP INTERFACE WITH WEAR REDUCING SURFACE
|
|
|
Patent #:
|
|
Issue Dt:
|
08/27/1996
|
Application #:
|
08437936
|
Filing Dt:
|
05/09/1995
|
Title:
|
FIELD INSTALLED SLOTTED ROD GUIDE AND METHOD
|
|
|
Patent #:
|
|
Issue Dt:
|
08/05/1997
|
Application #:
|
08440001
|
Filing Dt:
|
05/12/1995
|
Title:
|
ROTATING ROD STRING POSITION ADJUSTING DEVICE
|
|
|
Patent #:
|
|
Issue Dt:
|
02/25/1997
|
Application #:
|
08492350
|
Filing Dt:
|
06/19/1995
|
Title:
|
INDEPENDENT SCREWED WELLHEAD WITH HIGH PRESSURE CAPABILITY AND METHOD
|
|
|
Patent #:
|
|
Issue Dt:
|
04/08/1997
|
Application #:
|
08511432
|
Filing Dt:
|
08/04/1995
|
Title:
|
INTEGRAL BLOWOUT PREVENTER AND FLOW TEE
|
|
|
Patent #:
|
|
Issue Dt:
|
12/02/1997
|
Application #:
|
08528334
|
Filing Dt:
|
09/14/1995
|
Title:
|
WELL ROD, CENTRALIZER AND CENTRALIZER STOP INTERFACES WITH WEAR REDUCING SURFACE
|
|
|
Patent #:
|
|
Issue Dt:
|
01/27/1998
|
Application #:
|
08579328
|
Filing Dt:
|
12/27/1995
|
Title:
|
OILFIELD STUFFING BOX WITH POLISHED ROD ALIGNMENT
|
|
|
Patent #:
|
|
Issue Dt:
|
04/22/1997
|
Application #:
|
08584114
|
Filing Dt:
|
01/11/1996
|
Title:
|
STUFFING BOX WITH IMPROVED PACKING RINGS AND METHOD
|
|
|
Patent #:
|
|
Issue Dt:
|
12/08/1998
|
Application #:
|
08814025
|
Filing Dt:
|
03/10/1997
|
Title:
|
STUFFING BOX WITH IMPROVED PACKING RINGS AND METHOD
|
|
|
Patent #:
|
|
Issue Dt:
|
05/26/1998
|
Application #:
|
08821716
|
Filing Dt:
|
03/20/1997
|
Title:
|
EXTENDED WEAR ROD GUIDE AND METHOD
|
|
|
Patent #:
|
|
Issue Dt:
|
02/23/1999
|
Application #:
|
08862323
|
Filing Dt:
|
05/23/1997
|
Title:
|
FIELD INSTALLABLE ROD GUIDE AND METHOD
|
|
|
Patent #:
|
|
Issue Dt:
|
02/02/1999
|
Application #:
|
08888210
|
Filing Dt:
|
07/03/1997
|
Title:
|
STUFFING BOX GLAND
|
|
|
Patent #:
|
|
Issue Dt:
|
02/22/2000
|
Application #:
|
08967439
|
Filing Dt:
|
11/11/1997
|
Title:
|
INTEGRAL TUBING HEAD AND ROTATOR
|
|
|
Patent #:
|
|
Issue Dt:
|
05/23/2000
|
Application #:
|
09023595
|
Filing Dt:
|
02/13/1998
|
Title:
|
ROD GUIDE WITH BOTH HIGH ERODIBLE WEAR VOLUME AND BY-PASS AREA
|
|
|
Patent #:
|
|
Issue Dt:
|
08/01/2000
|
Application #:
|
09095041
|
Filing Dt:
|
06/10/1998
|
Title:
|
COUPLING DEVICE FOR A DRIVE ASSEMBLY
|
|
|
Patent #:
|
|
Issue Dt:
|
05/14/2002
|
Application #:
|
09479797
|
Filing Dt:
|
01/10/2000
|
Title:
|
Wellbore annulus packer apparatus and method
|
|
|
Patent #:
|
|
Issue Dt:
|
11/06/2001
|
Application #:
|
09547413
|
Filing Dt:
|
04/11/2000
|
Title:
|
Method of making a rod guide with both high erodible wear volume and by-pass area
|
|
|
Patent #:
|
|
Issue Dt:
|
03/11/2003
|
Application #:
|
09733163
|
Filing Dt:
|
12/08/2000
|
Publication #:
|
|
Pub Dt:
|
06/13/2002
| | | | |
Title:
|
WELLHEAD WITH IMPROVED ESP CABLE PACK-OFF AND METHOD
|
|
|
Patent #:
|
|
Issue Dt:
|
12/16/2003
|
Application #:
|
09778292
|
Filing Dt:
|
02/06/2001
|
Title:
|
THREADED CLOSURE
|
|
|
Patent #:
|
|
Issue Dt:
|
06/01/2004
|
Application #:
|
10017966
|
Filing Dt:
|
10/30/2001
|
Publication #:
|
|
Pub Dt:
|
05/01/2003
| | | | |
Title:
|
THREADED CLOSURE
|
|
|
Patent #:
|
|
Issue Dt:
|
02/03/2004
|
Application #:
|
10021175
|
Filing Dt:
|
10/30/2001
|
Publication #:
|
|
Pub Dt:
|
05/01/2003
| | | | |
Title:
|
THREADED CLOSURE WITH CHAIN BINDER
|
|
|
Patent #:
|
|
Issue Dt:
|
09/07/2004
|
Application #:
|
10166950
|
Filing Dt:
|
06/11/2002
|
Publication #:
|
|
Pub Dt:
|
05/01/2003
| | | | |
Title:
|
THREADED CLOSURE
|
|
|
Patent #:
|
|
Issue Dt:
|
05/30/2006
|
Application #:
|
10188558
|
Filing Dt:
|
07/02/2002
|
Publication #:
|
|
Pub Dt:
|
01/08/2004
| | | | |
Title:
|
CLOSURE FOR A PRESSURE VESSEL AND METHOD
|
|
|
Patent #:
|
|
Issue Dt:
|
02/24/2004
|
Application #:
|
10246981
|
Filing Dt:
|
09/19/2002
|
Title:
|
DOWNHOLE PUMPING SYSTEM
|
|
|
Patent #:
|
|
Issue Dt:
|
05/02/2006
|
Application #:
|
10252300
|
Filing Dt:
|
09/23/2002
|
Publication #:
|
|
Pub Dt:
|
03/25/2004
| | | | |
Title:
|
CLOSURE FOR A PRESSURE VESSEL AND METHOD
|
|
|
Patent #:
|
|
Issue Dt:
|
12/28/2004
|
Application #:
|
10264673
|
Filing Dt:
|
10/04/2002
|
Publication #:
|
|
Pub Dt:
|
04/08/2004
| | | | |
Title:
|
TUBING ROTATOR
|
|
|
Patent #:
|
|
Issue Dt:
|
04/19/2005
|
Application #:
|
10465458
|
Filing Dt:
|
06/19/2003
|
Publication #:
|
|
Pub Dt:
|
12/23/2004
| | | | |
Title:
|
PROGRESSIVE CAVITY PUMP/MOTOR
|
|
|
Patent #:
|
|
Issue Dt:
|
07/17/2007
|
Application #:
|
10839076
|
Filing Dt:
|
05/05/2004
|
Publication #:
|
|
Pub Dt:
|
11/10/2005
| | | | |
Title:
|
HIGH PRESSURE CLOSURE
|
|
|
Patent #:
|
|
Issue Dt:
|
08/05/2008
|
Application #:
|
10845951
|
Filing Dt:
|
05/14/2004
|
Publication #:
|
|
Pub Dt:
|
11/17/2005
| | | | |
Title:
|
PROGRESSING CAVITY PUMP OR MOTOR
|
|
|
Patent #:
|
|
Issue Dt:
|
09/12/2006
|
Application #:
|
10853592
|
Filing Dt:
|
05/25/2004
|
Publication #:
|
|
Pub Dt:
|
12/01/2005
| | | | |
Title:
|
WELLBORE EVALUATION SYSTEM AND METHOD
|
|
|
Patent #:
|
|
Issue Dt:
|
08/14/2007
|
Application #:
|
10883140
|
Filing Dt:
|
07/01/2004
|
Publication #:
|
|
Pub Dt:
|
01/05/2006
| | | | |
Title:
|
FIELD-INSTALLABLE ROD GUIDE
|
|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
11027062
|
Filing Dt:
|
12/30/2004
|
Publication #:
|
|
Pub Dt:
|
06/02/2005
| | | | |
Title:
|
Progressive cavity pump/motor
|
|
|
Patent #:
|
|
Issue Dt:
|
03/11/2008
|
Application #:
|
11088401
|
Filing Dt:
|
03/24/2005
|
Publication #:
|
|
Pub Dt:
|
07/28/2005
| | | | |
Title:
|
CLOSURE FOR A PRESSURE VESSEL AND METHOD
|
|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
11101824
|
Filing Dt:
|
04/08/2005
|
Publication #:
|
|
Pub Dt:
|
10/12/2006
| | | | |
Title:
|
Tubing rotator
|
|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
11248070
|
Filing Dt:
|
10/12/2005
|
Publication #:
|
|
Pub Dt:
|
04/20/2006
| | | | |
Title:
|
Photomask with wavelength reduction material and pellicle
|
|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
11270672
|
Filing Dt:
|
11/09/2005
|
Publication #:
|
|
Pub Dt:
|
05/10/2007
| | | | |
Title:
|
Helical rod guide and method
|
|
|
Patent #:
|
|
Issue Dt:
|
09/12/1995
|
Application #:
|
29029566
|
Filing Dt:
|
10/11/1994
|
Title:
|
ROD GUIDE GAUGE
|
|