W-K-M Wellhead Systems, Inc.

Organization

Shreveport, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Wellhead valve removal and installation tool
- Patent number 4,460,039
- Issue date Jul 17, 1984
- W-K-M Wellhead Systems, Inc.
- John W. Knight
- E21 - EARTH DRILLING MINING
Information Patent Grant
Control line sealing connection
- Patent number 4,458,903
- Issue date Jul 10, 1984
- W-K-M Wellhead Systems, Inc.
- Henry O. Tohill
- E21 - EARTH DRILLING MINING
Information Patent Grant
Geothermal wellhead packing assembly
- Patent number 4,390,063
- Issue date Jun 28, 1983
- W-K-M Wellhead Systems, Inc.
- Frederic D. Wells
- E21 - EARTH DRILLING MINING
Information Patent Grant
Seal assembly
- Patent number 4,384,730
- Issue date May 24, 1983
- W-K-M Wellhead Systems, Inc.
- Robert J. Diehl
- E21 - EARTH DRILLING MINING
Information Patent Grant
Packing support for mounting a well casing packing
- Patent number 4,372,563
- Issue date Feb 8, 1983
- W-K-M Wellhead Systems, Inc.
- Robert J. Diehl
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pull type relay valve with automatic lockout
- Patent number 4,364,412
- Issue date Dec 21, 1982
- W-K-M Wellhead Systems, Inc.
- Clifford M. Peters
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Metal seal assembly with deformable sealing ring
- Patent number 4,353,560
- Issue date Oct 12, 1982
- W-K-M Wellhead Systems, Inc.
- Henry O. Tohill
- E21 - EARTH DRILLING MINING
Information Patent Grant
Safety valve
- Patent number 4,347,867
- Issue date Sep 7, 1982
- W-K-M Wellhead Systems, Inc.
- Clifford M. Peters
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Baffle plate for steam separator
- Patent number 4,328,013
- Issue date May 4, 1982
- W-K-M Wellhead Systems, Inc.
- William L. Godare
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Push-type control valve for fluid actuator
- Patent number 4,320,779
- Issue date Mar 23, 1982
- W-K-M Wellhead Systems, Inc.
- Clifford M. Peters
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Packing assembly for wellheads
- Patent number 4,291,768
- Issue date Sep 29, 1981
- W-K-M Wellhead Systems, Inc.
- Robert J. Diehl
- E21 - EARTH DRILLING MINING
Information Patent Grant
Means for tensioning tubing in a wellhead assembly
- Patent number 4,278,278
- Issue date Jul 14, 1981
- W-K-M Wellhead Systems, Inc.
- Joe G. Chambless
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fluid control means for geothermal wells
- Patent number 4,268,283
- Issue date May 19, 1981
- W-K-M Wellhead Systems, Inc.
- Allen L. Roberts
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Relay valve for fluid actuators
- Patent number 4,263,938
- Issue date Apr 28, 1981
- W-K-M Wellhead Systems, Inc.
- Clifford M. Peters
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Baffle plate for cyclone steam separator
- Patent number 4,263,025
- Issue date Apr 21, 1981
- W-K-M Wellhead Systems, Inc.
- William L. Godare
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Relay valve for fluid actuators
- Patent number 4,256,141
- Issue date Mar 17, 1981
- W-K-M Wellhead Systems, Inc.
- Clifford M. Peters
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Manually reset control valve for a fluid actuator
- Patent number 4,252,145
- Issue date Feb 24, 1981
- W-K-M Wellhead Systems, Inc.
- Clifford M. Peters
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Steam separator with variably sized rectangular inlet opening
- Patent number 4,225,325
- Issue date Sep 30, 1980
- W-K-M Wellhead Systems, Inc.
- Robert J. Diehl
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Grant
Pilot valve mechanism for high or low pressure cut-off control
- Patent number 4,217,934
- Issue date Aug 19, 1980
- W-K-M Wellhead Systems, Inc.
- Clifford M. Peters
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pressure responsive safety system for fluid lines
- Patent number 4,215,746
- Issue date Aug 5, 1980
- W-K-M Wellhead Systems, Inc.
- Donald F. Hallden
- E21 - EARTH DRILLING MINING
Information Patent Grant
Holddown mechanism for a tubing hanger in a wellhead
- Patent number 4,214,778
- Issue date Jul 29, 1980
- W-K-M Wellhead Systems, Inc.
- Robert J. Diehl
- E21 - EARTH DRILLING MINING
Information Patent Grant
Seal means for high pressure control valves
- Patent number 4,209,040
- Issue date Jun 24, 1980
- W-K-M Wellhead Systems, Inc.
- Clifford M. Peters
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Control valve for fluid actuator
- Patent number 4,207,924
- Issue date Jun 17, 1980
- W-K-M Wellhead Systems, Inc.
- Clifford M. Peters
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Seal testing arrangement for wellheads
- Patent number 4,202,410
- Issue date May 13, 1980
- W-K-M Wellhead Systems, Inc.
- Herbert O. Quebe
- E21 - EARTH DRILLING MINING
Information Patent Grant
Push-type control valve for fluid actuator
- Patent number 4,196,750
- Issue date Apr 8, 1980
- W-K-M Wellhead Systems, Inc.
- Clifford M. Peters
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Control valve having integral visual indicator for fluid safety sys...
- Patent number 4,194,529
- Issue date Mar 25, 1980
- W-K-M Wellhead Systems, Inc.
- Melvin J. Hargraves
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Wellhead valve removal and installation tool
- Patent number 4,184,504
- Issue date Jan 22, 1980
- W-K-M Wellhead Systems, Inc.
- James T. Carmichael
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well casing hanger assembly
- Patent number 4,139,059
- Issue date Feb 13, 1979
- W-K-M Wellhead Systems, Inc.
- James T. Carmichael
- E21 - EARTH DRILLING MINING
Information Patent Grant
Control valve having integral visual indicator for fluid safety sys...
- Patent number 4,137,942
- Issue date Feb 6, 1979
- W-K-M Wellhead Systems, Inc.
- Melvin J. Hargraves
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Combination high-low pilot valve
- Patent number 4,084,613
- Issue date Apr 18, 1978
- W-K-M Wellhead Systems, Inc.
- Clifford M. Peters
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

W-K-M Wellhead Systems, Inc.

Organization

Patents Grantslast 30 patents

Wellhead valve removal and installation tool

Control line sealing connection

Geothermal wellhead packing assembly

Seal assembly

Packing support for mounting a well casing packing

Pull type relay valve with automatic lockout

Metal seal assembly with deformable sealing ring

Safety valve

Baffle plate for steam separator

Push-type control valve for fluid actuator

Packing assembly for wellheads

Means for tensioning tubing in a wellhead assembly

Fluid control means for geothermal wells

Relay valve for fluid actuators

Baffle plate for cyclone steam separator

Relay valve for fluid actuators

Manually reset control valve for a fluid actuator

Steam separator with variably sized rectangular inlet opening

Pilot valve mechanism for high or low pressure cut-off control

Pressure responsive safety system for fluid lines

Holddown mechanism for a tubing hanger in a wellhead

Seal means for high pressure control valves

Control valve for fluid actuator

Seal testing arrangement for wellheads

Push-type control valve for fluid actuator

Control valve having integral visual indicator for fluid safety sys...

Wellhead valve removal and installation tool

Well casing hanger assembly

Control valve having integral visual indicator for fluid safety sys...

Combination high-low pilot valve

Patents Applicationslast 30 patents

Trademarklast 30 trademarks