Andrew Haynes

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Missouri City, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for selective disengagement of a fluid transmi...
- Patent number 4,458,751
- Issue date Jul 10, 1984
- Baker International Corporation
- Andrew Haynes
- E21 - EARTH DRILLING MINING
Information Patent Grant
Unrestricted bore safety joint
- Patent number 4,445,572
- Issue date May 1, 1984
- Baker International Corporation
- Douglas H. Fineberg
- E21 - EARTH DRILLING MINING
Information Patent Grant
Valve operable under oppositely directed pressure differentials
- Patent number 4,421,171
- Issue date Dec 20, 1983
- Baker International Corporation
- Andrew Haynes
- E21 - EARTH DRILLING MINING
Information Patent Grant
Torque transmitting expansion joint and a hanger assembly incorpora...
- Patent number 4,403,654
- Issue date Sep 13, 1983
- Baker International Corporation
- Andrew Haynes
- E21 - EARTH DRILLING MINING