Charles C. Cobb

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Lewisville, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Blowout safety system for snubbing equipment
- Patent number 5,203,410
- Issue date Apr 20, 1993
- Otis Engineering Corporation
- Charles C. Cobb
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wireline retrievable jet cleaning tool
- Patent number 5,195,585
- Issue date Mar 23, 1993
- Otis Engineering Corporation
- Jack G. Clemens
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole inspection system
- Patent number 4,938,060
- Issue date Jul 3, 1990
- Otis Engineering Corp.
- Phillips S. Sizer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for running coiled tubing in subsea wells
- Patent number 4,899,823
- Issue date Feb 13, 1990
- Otis Engineering Corporation
- Charles C. Cobb
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pressure actuated cleaning tool
- Patent number 4,781,250
- Issue date Nov 1, 1988
- Otis Engineering Corp.
- William H. McCormick
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cleaning tool
- Patent number 4,625,799
- Issue date Dec 2, 1986
- Otis Engineering Corporation
- William H. McCormick
- E21 - EARTH DRILLING MINING