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Total properties:
21
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Patent #:
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|
Issue Dt:
|
12/24/1985
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Application #:
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06517484
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Filing Dt:
|
07/26/1983
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Title:
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INVERTED CONE STUFFING BOX
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|
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Patent #:
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|
Issue Dt:
|
08/12/1986
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Application #:
|
06689412
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Filing Dt:
|
01/07/1985
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Title:
|
INSULATING UNION AND METHOD
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|
|
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Patent #:
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|
Issue Dt:
|
05/20/1986
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Application #:
|
06721263
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Filing Dt:
|
04/08/1985
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Title:
|
PRESSURE RESPONSIVE SAFETY INTERLOCK
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|
|
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Patent #:
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|
Issue Dt:
|
02/17/1987
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Application #:
|
06743551
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Filing Dt:
|
06/11/1985
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Title:
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QUICK-CONNECT HOSE COUPLING
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Patent #:
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Issue Dt:
|
11/14/1989
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Application #:
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07165662
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Filing Dt:
|
03/08/1988
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Title:
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UNITIZED INSTRUMENT MANIFOLD
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|
|
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Patent #:
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Issue Dt:
|
12/12/1989
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Application #:
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07217203
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Filing Dt:
|
07/11/1988
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Title:
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COUPLING WITH IMPROVED ELASTOMERIC FACE SEAL
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|
|
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Patent #:
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Issue Dt:
|
10/31/1989
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Application #:
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07287414
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Filing Dt:
|
12/20/1988
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Title:
|
AUTOMATED SUCKER ROD CLEANING APPARATUS
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|
|
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Patent #:
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|
Issue Dt:
|
07/02/1991
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Application #:
|
07422490
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Filing Dt:
|
10/17/1989
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|
Title:
|
NON-CRUSHING WELLHEAD
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|
|
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Patent #:
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|
Issue Dt:
|
05/26/1992
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Application #:
|
07682164
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Filing Dt:
|
04/05/1991
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Title:
|
LOW TURBULENCE ROD GUIDE
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|
|
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Patent #:
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Issue Dt:
|
06/23/1992
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Application #:
|
07714465
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Filing Dt:
|
06/13/1991
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Title:
|
ROD GUIDE REMOVER
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|
|
|
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Patent #:
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|
Issue Dt:
|
01/11/1994
|
Application #:
|
07997160
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Filing Dt:
|
12/23/1992
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|
Title:
|
HELICAL ROD GUIDE
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|
|
|
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Patent #:
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|
Issue Dt:
|
08/23/1994
|
Application #:
|
08058106
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Filing Dt:
|
05/06/1993
|
|
Title:
|
FIELD INSTALLABLE ROD GUIDE AND METHOD
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|
|
|
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Patent #:
|
|
Issue Dt:
|
02/20/1996
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Application #:
|
08314054
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Filing Dt:
|
09/28/1994
|
|
Title:
|
WELLHEAD FLANGE FOR INTERCONNECTING A THREADED WELLHEAD AND A FLANGED BLOWOUT PREVENTER
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|
|
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Patent #:
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|
Issue Dt:
|
08/27/1996
|
Application #:
|
08437936
|
Filing Dt:
|
05/09/1995
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|
Title:
|
FIELD INSTALLED SLOTTED ROD GUIDE AND METHOD
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|
|
|
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Patent #:
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|
Issue Dt:
|
02/25/1997
|
Application #:
|
08492350
|
Filing Dt:
|
06/19/1995
|
|
Title:
|
INDEPENDENT SCREWED WELLHEAD WITH HIGH PRESSURE CAPABILITY AND METHOD
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|
|
|
|
Patent #:
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|
Issue Dt:
|
01/27/1998
|
Application #:
|
08579328
|
Filing Dt:
|
12/27/1995
|
|
Title:
|
OILFIELD STUFFING BOX WITH POLISHED ROD ALIGNMENT
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|
|
|
|
Patent #:
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|
Issue Dt:
|
04/22/1997
|
Application #:
|
08584114
|
Filing Dt:
|
01/11/1996
|
|
Title:
|
STUFFING BOX WITH IMPROVED PACKING RINGS AND METHOD
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|
|
|
|
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
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Filing Dt:
|
03/20/1997
|
|
Title:
|
EXTENDED WEAR ROD GUIDE AND METHOD
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
02/23/1999
|
Application #:
|
08862323
|
Filing Dt:
|
05/23/1997
|
|
Title:
|
FIELD INSTALLABLE ROD GUIDE AND METHOD
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/12/1995
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Application #:
|
29029566
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Filing Dt:
|
10/11/1994
|
|
Title:
|
ROD GUIDE GAUGE
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