William R. Hamilton

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Conroe, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for spinning drill pipe
- Patent number 8,783,137
- Issue date Jul 22, 2014
- Blohm + Voss Oil Tools, LLC
- William R. Hamilton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for stabbing pipe when using an iron roughneck
- Patent number 7,699,098
- Issue date Apr 20, 2010
- Blohm & Voss Oil Tools, LLC
- William R. Hamilton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill pipe connecting and disconnecting apparatus
- Patent number 7,117,938
- Issue date Oct 10, 2006
- Gray EOT, Inc.
- William R. Hamilton
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Apparatus for stabbing pipe when using an iron roughneck
- Publication number 20090038857
- Publication date Feb 12, 2009
- William R. Hamilton
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus for manipulating power tongs
- Publication number 20080245522
- Publication date Oct 9, 2008
- William R. Hamilton
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Apparatus for spinning drill pipe
- Publication number 20070240542
- Publication date Oct 18, 2007
- William R. Hamilton
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill pipe connecting and disconnecting apparatus
- Publication number 20030221871
- Publication date Dec 4, 2003
- GRAY EOT, INC.
- William R. Hamilton
- E21 - EARTH DRILLING MINING