William C. Shafer

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Berwick, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of landing items at a well location
- Patent number 6,644,413
- Issue date Nov 11, 2003
- Oil & Gas Rental Services, Inc.
- Burt A. Adams
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of landing items at a well location
- Patent number 6,378,614
- Issue date Apr 30, 2002
- Oil & Gas Rental Services, Inc.
- Burt A. Adams
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill pipe handling apparatus
- Patent number 6,364,012
- Issue date Apr 2, 2002
- Oil & Gas Rental Services, Inc.
- Burt A. Adams
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling rig, pipe and support apparatus
- Patent number 6,349,764
- Issue date Feb 26, 2002
- Oil & Gas Rental Services, Inc.
- Burt A. Adams
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for the disassembly of drill pipe
- Patent number 6,148,924
- Issue date Nov 21, 2000
- Oil & Gas Rental Services, Inc.
- William C. Shafer
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Method of landing items at a well location
- Publication number 20020162665
- Publication date Nov 7, 2002
- Burt A. Adams
- E21 - EARTH DRILLING MINING