Roy J. Blanchard

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Houma, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Concentric, insulated tubular conduits and method for assembly
- Patent number 8,365,775
- Issue date Feb 5, 2013
- V&M Tube-Alloy, L.P.
- Layton R. Bull
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Concentric, insulated tubular conduits and method of assembly
- Patent number 6,520,732
- Issue date Feb 18, 2003
- Layton R. Bull
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Concentric, insulated tubular conduits and method of assembly
- Patent number 6,325,278
- Issue date Dec 4, 2001
- Grant Prideco, L.P.
- Layton R. Bull
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Seals for use in oil and gas well production tubing
- Patent number 4,655,485
- Issue date Apr 7, 1987
- Tube-Alloy Corporation
- Norman M. Albrecht
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Concentric, insulated tubular conduits and method for assembly
- Publication number 20060208031
- Publication date Sep 21, 2006
- Layton R. Bull
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Concentric, insulated tubular conduits and method for assembly
- Publication number 20030111510
- Publication date Jun 19, 2003
- Layton R. Bull
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR