David A. Anderson

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Newtonhill, GB

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Patents Grantslast 30 patents

Information Patent Grant
Packoff with internal lockdown mechanism
- Patent number 8,387,708
- Issue date Mar 5, 2013
- Vetco Gray Inc.
- David A. Anderson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Single trip, tension set, metal-to-metal sealing, internal lockdown...
- Patent number 8,127,857
- Issue date Mar 6, 2012
- Vetco Gray Inc.
- James A. Sinnott
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHANE HYDRATE PRODUCTION EQUIPMENT AND METHOD
- Publication number 20230130315
- Publication date Apr 27, 2023
- BAKER HUGHES ENERGY TECHNOLOGY UK LIMITED
- David A. Anderson
- E21 - EARTH DRILLING MINING
Information Patent Application
Packoff With Internal Lockdown Mechanism
- Publication number 20120043094
- Publication date Feb 23, 2012
- Vetco Gray Inc.
- David A. Anderson
- E21 - EARTH DRILLING MINING
Information Patent Application
SINGLE TRIP, TENSION SET, METAL-TO-METAL SEALING, INTERNAL LOCKDOWN...
- Publication number 20110005774
- Publication date Jan 13, 2011
- Vetco Gray Inc.
- James A. Sinnott
- E21 - EARTH DRILLING MINING