Jeff Ehlinger

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Centering structure for tubular member and method of making same
- Patent number 7,849,918
- Issue date Dec 14, 2010
- Davis-Lynch, Inc.
- Jeff Ehlinger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic release oil tool
- Patent number 5,086,844
- Issue date Feb 11, 1992
- Union Oil Company of California
- Michael G. Mims
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Centering Structure for Tubular Member and Method of Making Same
- Publication number 20090008086
- Publication date Jan 8, 2009
- Davis-Lynch, Inc.
- Jeff Ehlinger
- E21 - EARTH DRILLING MINING