Robert J. Diehl

Person

Vivian, LA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Environmental protection for subsea wells
- Patent number 5,050,680
- Issue date Sep 24, 1991
- Cooper Industries, Inc.
- Robert J. Diehl
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dual diameter valve stem packing
- Patent number 4,570,942
- Issue date Feb 18, 1986
- Joy Manufacturing Company
- Robert J. Diehl
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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
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
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
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
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
Limited float seat construction for expanding gate valve
- Patent number 4,116,419
- Issue date Sep 26, 1978
- ACF Industries, Incorporated
- Robert J. Diehl
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Robert J. Diehl

Person

Patents Grantslast 30 patents

Environmental protection for subsea wells

Dual diameter valve stem packing

Seal assembly

Packing support for mounting a well casing packing

Packing assembly for wellheads

Steam separator with variably sized rectangular inlet opening

Holddown mechanism for a tubing hanger in a wellhead

Wellhead valve removal and installation tool

Limited float seat construction for expanding gate valve