Charles Glen Franks

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Canyon, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Drawworks having annulus rotating union with brake cooling system
- Patent number 7,780,147
- Issue date Aug 24, 2010
- Charles Glen Franks
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Drawworks apparatus
- Patent number 7,210,670
- Issue date May 1, 2007
- Charles Gllen Franks
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
DRAWWORKS HAVING ANNULUS ROTATING UNION WITH BRAKE COOLING SYSTEM
- Publication number 20100038610
- Publication date Feb 18, 2010
- Charles Glen Franks
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Drawworks apparatus
- Publication number 20050006633
- Publication date Jan 13, 2005
- Charles Gllen Franks
- B66 - HOISTING LIFTING HAULING