Jan Erik Vollebregt

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GD Rijswijk, NL

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Patents Grantslast 30 patents

Information Patent Grant
Forge welding tubulars
- Patent number 7,774,917
- Issue date Aug 17, 2010
- Tubefuse Applications B.V.
- Mark Wilson Anderson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Joining expandable tubulars
- Patent number 7,181,821
- Issue date Feb 27, 2007
- Shell Oil Company
- Mark Wilson Anderson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
EMAT weld inspection
- Patent number 6,896,171
- Issue date May 24, 2005
- Shell Oil Company
- Johannis Josephus Den Boer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
FORGE WELDING TUBULARS
- Publication number 20070158390
- Publication date Jul 12, 2007
- Mark Wilson Anderson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Wellbore device for selective transfer of fluid
- Publication number 20050252651
- Publication date Nov 17, 2005
- Shell Oil Company
- Martin Gerard Rene Bosma
- E21 - EARTH DRILLING MINING
Information Patent Application
Joining expandable tubulars
- Publication number 20050050726
- Publication date Mar 10, 2005
- Mark Wilson Anderson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
EMAT weld inspection
- Publication number 20040134970
- Publication date Jul 15, 2004
- Johannis Josephus Den Boer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR