Carl J. Roy

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-anchoring device with force amplification
- Patent number 7,854,258
- Issue date Dec 21, 2010
- Schlumberger Technology Corporation
- Todor K. Sheiretov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-anchoring device with force amplification
- Patent number 7,516,782
- Issue date Apr 14, 2009
- Schlumberger Technology Corporation
- Todor K. Sheiretov
- E21 - EARTH DRILLING MINING
Information Patent Grant
Constant force actuator
- Patent number 7,334,642
- Issue date Feb 26, 2008
- Schlumberger Technology Corporation
- Falk W. Doering
- E21 - EARTH DRILLING MINING
Information Patent Grant
Open hole tractor with tracks
- Patent number 7,156,192
- Issue date Jan 2, 2007
- Schlumberger Technology Corp.
- Julio C. Guerrero
- E21 - EARTH DRILLING MINING
Information Patent Grant
Constant force actuator
- Patent number 6,920,936
- Issue date Jul 26, 2005
- Schlumberger Technology Corporation
- Todor K. Sheiretov
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Bi-directional grip mechanism for a wide range of bore sizes
- Patent number 6,629,568
- Issue date Oct 7, 2003
- Schlumberger Technology Corporation
- Roger A. Post
- E21 - EARTH DRILLING MINING
Information Patent Grant
Conveying a tool along a non-vertical well
- Patent number 6,179,055
- Issue date Jan 30, 2001
- Schlumberger Technology Corporation
- Alan J. Sallwasser
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Self-Anchoring Device with Force Amplification
- Publication number 20090159269
- Publication date Jun 25, 2009
- Todor K. Sheiretov
- E21 - EARTH DRILLING MINING
Information Patent Application
SELF-ANCHORING DEVICE WITH FORCE AMPLIFICATION
- Publication number 20070181298
- Publication date Aug 9, 2007
- Todor K. Sheiretov
- E21 - EARTH DRILLING MINING
Information Patent Application
CONSTANT FORCE ACTUATOR
- Publication number 20060180318
- Publication date Aug 17, 2006
- Falk W. Doering
- E21 - EARTH DRILLING MINING
Information Patent Application
Open hole tractor with tracks
- Publication number 20050034874
- Publication date Feb 17, 2005
- Julio C. Guerrero
- E21 - EARTH DRILLING MINING
Information Patent Application
Constant force actuator
- Publication number 20030173076
- Publication date Sep 18, 2003
- Todor K. Sheiretov
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Bi-directional grip mechanism for a wide range of bore sizes
- Publication number 20030024710
- Publication date Feb 6, 2003
- Roger A. Post
- E21 - EARTH DRILLING MINING