Kevin O. Trahan

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and methods for separating and joining tubulars in a well...
- Patent number 7,004,257
- Issue date Feb 28, 2006
- Weatherford/Lamb, Inc.
- Neil A. A. Simpson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods and apparatus for expanding a tubular within another tubular
- Patent number 6,899,181
- Issue date May 31, 2005
- Weatherford/Lamb, Inc.
- Neil A. A. Simpson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and methods for separating and joining tubulars in a well...
- Patent number 6,851,475
- Issue date Feb 8, 2005
- Weatherford/Lamb, Inc.
- Neil A. A. Simpson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and methods for separating and joining tubulars in a well...
- Patent number 6,598,678
- Issue date Jul 29, 2003
- Weatherford/Lamb, Inc.
- Neil A. A. Simpson
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and methods for separating and joining tubulars in a well...
- Publication number 20050077046
- Publication date Apr 14, 2005
- Weatherford/Lamb, Inc.
- Neil A.A. Simpson
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus and methods for separating and joining tubulars in a well...
- Publication number 20030188868
- Publication date Oct 9, 2003
- Weatherford/Lamb, Inc.
- Neil A.A. Simpson
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus and methods for separating and joining tubulars in a well...
- Publication number 20030106698
- Publication date Jun 12, 2003
- Weatherford/Lamb, Inc.
- Neil A.A. Simpson
- E21 - EARTH DRILLING MINING