Douglas Charlton McCammon

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for producing oil and/or gas
- Patent number 7,654,322
- Issue date Feb 2, 2010
- Shell Oil Company
- Dean Chien Wang
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
System and methods for producing oil and/or gas
- Patent number 7,601,320
- Issue date Oct 13, 2009
- Shell Oil Company
- Johan Jacobus Van Dorp
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Systems and methods for producing oil and/or gas
- Patent number 7,426,959
- Issue date Sep 23, 2008
- Shell Oil Company
- Dean Chien Wang
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
System and methods for producing oil and/or gas
- Publication number 20090025935
- Publication date Jan 29, 2009
- Johan Jacobus Van Dorp
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEMS AND METHODS FOR PRODUCING OIL AND/OR GAS
- Publication number 20080302532
- Publication date Dec 11, 2008
- Dean Chien WANG
- E21 - EARTH DRILLING MINING
Information Patent Application
Systems and methods for producing oil and/or gas
- Publication number 20060254769
- Publication date Nov 16, 2006
- Dean Chien Wang
- E21 - EARTH DRILLING MINING