Steven C. Ellis

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The Woodlands, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Wicker-type face seal and wellhead system incorporating same
- Patent number 8,950,752
- Issue date Feb 10, 2015
- Vetco Gray Inc.
- Nicholas Peter Gette
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bi-directional annulus seal
- Patent number 8,146,670
- Issue date Apr 3, 2012
- Vetco Gray Inc.
- Steven C. Ellis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flex-lock metal seal system for wellhead members
- Patent number 7,559,366
- Issue date Jul 14, 2009
- Vetco Gray Inc.
- Rick C. Hunter
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Wicker-Type Face Seal and Wellhead System Incorporating Same
- Publication number 20110316236
- Publication date Dec 29, 2011
- Vetco Gray Inc.
- Nicholas Peter Gette
- E21 - EARTH DRILLING MINING
Information Patent Application
Bi-Directional Annulus Seal
- Publication number 20100126736
- Publication date May 27, 2010
- Vetco Gray Inc.
- Steven C. Ellis
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM, METHOD AND APPARATUS FOR SEALING MATERIALS HAVING A LOW GLA...
- Publication number 20090230632
- Publication date Sep 17, 2009
- Vetco Gray Inc.
- Donald R. Petrash
- E21 - EARTH DRILLING MINING
Information Patent Application
Flex-lock metal seal system for wellhead members
- Publication number 20080135229
- Publication date Jun 12, 2008
- Vetco Gray Inc.
- Rick C. Hunter
- E21 - EARTH DRILLING MINING