Richard T. Trenholme

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Marine drilling riser system
- Patent number 8,312,933
- Issue date Nov 20, 2012
- Vetco Gray Inc.
- Eric D. Larson
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
System and method for connecting tubular members
- Patent number 7,913,767
- Issue date Mar 29, 2011
- Vetco Gray Inc.
- Eric D. Larson
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Latch System for Friction-Locked Tubular Members
- Publication number 20110174495
- Publication date Jul 21, 2011
- Vetco Gray Inc.
- Eric D. Larson
- E21 - EARTH DRILLING MINING
Information Patent Application
LATCH SYSTEM FOR FRICTION-LOCKED TUBULAR MEMBERS
- Publication number 20090308658
- Publication date Dec 17, 2009
- Eric D. Larson
- E21 - EARTH DRILLING MINING