Jim R. Williamson

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Carrollton, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Wellbore lock system and method of use
- Patent number 5,617,918
- Issue date Apr 8, 1997
- Halliburton Company
- Andrew Cooksey
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Valve closing method and apparatus for use with an oil well valve
- Patent number 4,144,937
- Issue date Mar 20, 1979
- Halliburton Company
- Gerald D. Jackson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Oil well testing safety valve
- Patent number 4,113,018
- Issue date Sep 12, 1978
- Halliburton Company
- Burchus Q. Barrington
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self adjusting liquid spring operating apparatus and method for use...
- Patent number 4,109,725
- Issue date Aug 29, 1978
- Halliburton Company
- Jim R. Williamson
- E21 - EARTH DRILLING MINING