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Total properties:
31
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Patent #:
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Issue Dt:
|
04/20/1982
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Application #:
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06168435
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Filing Dt:
|
07/10/1980
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Title:
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FLOW CONTROLLING APPARATUS
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Patent #:
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Issue Dt:
|
08/16/1983
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Application #:
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06212856
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Filing Dt:
|
12/04/1980
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Title:
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IMPROVEMENTS IN SYSTEMS FOR LANDING WIRE LINE TOOLS AT SELECTED LEVELS WITHIN A WELL TUBING STRING
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Patent #:
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Issue Dt:
|
10/16/1984
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Application #:
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06225395
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Filing Dt:
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01/15/1981
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Title:
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RELEASABLE LATCHING APPARATUS
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Patent #:
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Issue Dt:
|
12/30/1986
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Application #:
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06415391
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Filing Dt:
|
09/07/1982
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Title:
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APPARATUS IN WHICH AN ANNULAR RING IS CARRIED WITHIN A GROOVE ABOUT ONE MEMBER FOR SLIDABLY ENGAGING THE CYLINDRICAL SURFACE OF ANOTHER MEMBER
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Patent #:
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Issue Dt:
|
03/19/1985
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Application #:
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06435675
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Filing Dt:
|
10/21/1982
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Title:
|
WELL PACKERS
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Patent #:
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Issue Dt:
|
04/15/1986
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Application #:
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06467657
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Filing Dt:
|
02/18/1983
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Title:
|
WELL PACKERS
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Patent #:
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Issue Dt:
|
06/11/1985
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Application #:
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06489827
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Filing Dt:
|
04/29/1983
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Title:
|
WELL APPARATUS
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|
|
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Patent #:
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|
Issue Dt:
|
09/10/1985
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Application #:
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06513392
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Filing Dt:
|
07/14/1983
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Title:
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FLOW CONTROLLING APPARATUS
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|
|
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Patent #:
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|
Issue Dt:
|
07/09/1985
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Application #:
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06531413
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Filing Dt:
|
09/12/1983
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Title:
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SUBSURFACE SAFETY VALVE
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|
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Patent #:
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|
Issue Dt:
|
05/28/1985
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Application #:
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06602511
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Filing Dt:
|
04/20/1984
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Title:
|
VALVES AND VALVE ACTUATORS
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|
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Patent #:
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|
Issue Dt:
|
02/10/1987
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Application #:
|
06663713
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Filing Dt:
|
10/22/1984
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|
Title:
|
WELL APPARATUS
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|
|
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Patent #:
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|
Issue Dt:
|
05/27/1986
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Application #:
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06700798
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Filing Dt:
|
02/11/1985
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|
Title:
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WIRE LINE RUNNING AND/OR PULLING TOOL
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|
|
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Patent #:
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|
Issue Dt:
|
02/03/1987
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Application #:
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06700821
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Filing Dt:
|
02/11/1985
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Title:
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KICKOVER TOOL
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|
|
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Patent #:
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|
Issue Dt:
|
12/16/1986
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Application #:
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06731567
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Filing Dt:
|
05/06/1985
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|
Title:
|
WELL APPARATUS
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|
|
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Patent #:
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|
Issue Dt:
|
01/03/1989
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Application #:
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06796153
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Filing Dt:
|
11/08/1985
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|
Title:
|
WELL COMPLETION METHOD AND APPARATUS
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|
|
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Patent #:
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|
Issue Dt:
|
10/11/1988
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Application #:
|
06915380
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Filing Dt:
|
10/06/1986
|
|
Title:
|
TOOL FOR LOWERING INTO CENTERED POSITION WITHIN A WELL BORE
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|
|
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Patent #:
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|
Issue Dt:
|
09/06/1988
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Application #:
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06922846
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Filing Dt:
|
10/24/1986
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Title:
|
VALVES
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|
|
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Patent #:
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|
Issue Dt:
|
09/08/1987
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Application #:
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07009655
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Filing Dt:
|
01/28/1987
|
|
Title:
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FAIL SAFE GATE VALVES AND ACTUATORS THEREFOR
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|
|
|
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Patent #:
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|
Issue Dt:
|
11/08/1988
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Application #:
|
07042422
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Filing Dt:
|
04/24/1987
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|
Title:
|
PNEUMATIC VALVE ACTUATORS
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|
|
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Patent #:
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|
Issue Dt:
|
08/01/1989
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Application #:
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07128724
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Filing Dt:
|
12/04/1987
|
|
Title:
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A WELL INSTALLATION IN WHICH ELECTRICAL CURRENT IS SUPPLIED FOR A SOURCE AT THE WELLHEAD TO AN ELECTRICALLY RESPONSIVE DEVICE LOCATED A SUBSTANTIAL DISTANCE BELOW THE WELLHEAD
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|
|
|
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Patent #:
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|
Issue Dt:
|
03/16/1993
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Application #:
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07644244
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Filing Dt:
|
01/22/1991
|
|
Title:
|
APPARATUS FOR USE IN CONTROLLING FLOW THROUGH A TUBING STRING SUSPENDED AND PACKED OFF WITHIN WELL BORE AS WELL AS WITHIN THE ANNULUS BETWEEN THE TUBING STRING AND WELL BORE ABOVE AND BELOW THE PACKER
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|
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Patent #:
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|
Issue Dt:
|
03/17/1992
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Application #:
|
07656414
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Filing Dt:
|
02/15/1991
|
|
Title:
|
HYDRAULICALLY OPERATED PERMANENT TYPE WELL PACKER ASSEMBLY
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/23/1993
|
Application #:
|
07676841
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Filing Dt:
|
03/28/1991
|
|
Title:
|
FAIL SAFE VALVE ACTUATOR
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|
|
|
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Patent #:
|
|
Issue Dt:
|
08/11/1992
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Application #:
|
07695275
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Filing Dt:
|
05/03/1991
|
|
Title:
|
SUBSURFACE TUBING SAFETY VALVE
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/12/1993
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Application #:
|
07730702
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Filing Dt:
|
07/16/1991
|
|
Title:
|
SURFACE CONTROLLED SUBSURFACE SAFETY VALVE
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/05/1993
|
Application #:
|
07782560
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Filing Dt:
|
10/25/1991
|
|
Title:
|
SUBSURFACE TUBING SAFETY VALVE
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/23/1993
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Application #:
|
07877828
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Filing Dt:
|
05/01/1992
|
|
Title:
|
SUBSURFACE TUBING SAFETY VALVE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
10/25/1994
|
Application #:
|
08032767
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Filing Dt:
|
03/16/1993
|
|
Title:
|
SUBSURFACE SAFETY VALVE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/09/1995
|
Application #:
|
08163824
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Filing Dt:
|
12/08/1993
|
|
Title:
|
WELL APPARATUS INCLUDING A TOOL FOR USE IN SHIFTING A SLEEVE WITHIN A WELL CONDUIT
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/07/1996
|
Application #:
|
08222734
|
Filing Dt:
|
04/04/1994
|
|
Title:
|
METHODS AND APPARATUS FOR PERFORATING AND TREATING PRODUCTION ZONES AND OTHERWISE PERFORMING RELATED ACTIVITIES WITHIN A WELL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/02/1995
|
Application #:
|
08255460
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Filing Dt:
|
06/08/1994
|
|
Title:
|
SURFACE CONTROLLED, SUBSURFACE TUBING SAFETY VALVE
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|
