Mark S. Ramsey

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Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for increasing hydraulic efficiency of drilling
- Patent number 5,934,389
- Issue date Aug 10, 1999
- Mark S. Ramsey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for converting tube waves to body waves for se...
- Patent number 4,993,001
- Issue date Feb 12, 1991
- Exxon Production Research Company
- Graham A. Winbow
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for detecting wear of a rotatable bit
- Patent number 4,655,300
- Issue date Apr 7, 1987
- Exxon Production Research Co.
- Albert P. Davis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole self-aligning latch subassembly
- Patent number 4,588,243
- Issue date May 13, 1986
- Exxon Production Research Co.
- Mark S. Ramsey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cable connector for use in downhole drilling and logging operations
- Patent number 4,585,287
- Issue date Apr 29, 1986
- Exxon Production Research Co.
- Mark S. Ramsey
- G02 - OPTICS
Information Patent Grant
Retrievable telemetry system
- Patent number 4,534,424
- Issue date Aug 13, 1985
- Exxon Production Research Co.
- Mark S. Ramsey
- E21 - EARTH DRILLING MINING