John P. Thomas

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Blow out preventer handling system
- Patent number 4,230,190
- Issue date Oct 28, 1980
- David C. Guinn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Blow out preventer handling system
- Patent number 4,081,163
- Issue date Mar 28, 1978
- David C. Guinn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Casing handling system
- Patent number 4,081,084
- Issue date Mar 28, 1978
- David C. Guinn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pivotal and releasable rat hole assembly
- Patent number 4,071,145
- Issue date Jan 31, 1978
- David C. Guinn
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mooring system for floating drilling vessels
- Patent number 4,070,981
- Issue date Jan 31, 1978
- David C. Guinn
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Releasable and retrievable mooring system
- Patent number 4,067,282
- Issue date Jan 10, 1978
- David C. Guinn
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT