John R. Baker

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Concentric walled conduit for a tubular conduit string
- Patent number 4,566,495
- Issue date Jan 28, 1986
- Baker Oil Tools, Inc.
- John R. Baker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Subterranean well safety valve with reference pressure chamber
- Patent number 4,467,867
- Issue date Aug 28, 1984
- Baker Oil Tools, Inc.
- John R. Baker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fully opening flapper valve apparatus
- Patent number 4,433,702
- Issue date Feb 28, 1984
- Baker International Corporation
- John R. Baker
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Casing bore receptacle with fluid check valve
- Patent number 4,383,578
- Issue date May 17, 1983
- Baker International Corporation
- John R. Baker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Casing bore receptacle
- Patent number 4,372,393
- Issue date Feb 8, 1983
- Baker International Corporation
- John R. Baker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retrieving tool for well packer
- Patent number 4,332,410
- Issue date Jun 1, 1982
- Baker International Corporation
- John R. Baker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for setting and orienting a whipstock in a well conduit
- Patent number 4,285,399
- Issue date Aug 25, 1981
- Baker International Corporation
- Arvin E. Holland
- E21 - EARTH DRILLING MINING

John R. Baker

Person

Patents Grantslast 30 patents

Concentric walled conduit for a tubular conduit string

Subterranean well safety valve with reference pressure chamber

Fully opening flapper valve apparatus

Casing bore receptacle with fluid check valve

Casing bore receptacle

Retrieving tool for well packer

Apparatus for setting and orienting a whipstock in a well conduit