William Thompson Higgins

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
High capacity wellhead connector having a single annular piston
- Patent number 8,474,537
- Issue date Jul 2, 2013
- Vetco Gray Inc.
- Robert K. Voss
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METAL TO METAL PACKOFF FOR USE IN A WELLHEAD ASSEMBLY
- Publication number 20130341051
- Publication date Dec 26, 2013
- Vetco Gray, Inc.
- William Thompson Higgins
- E21 - EARTH DRILLING MINING