Ove Sigurd Christensen

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Hafrsfjord, NO

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Patents Grantslast 30 patents

Information Patent Grant
Flow control device for choking inflowing fluids in a well
- Patent number 7,559,375
- Issue date Jul 14, 2009
- Arthur Dybevik
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flow control device for choking inflowing fluids in a well
- Patent number 7,419,002
- Issue date Sep 2, 2008
- Reslink G.S.
- Arthur Dybevik
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Flow control device for choking inflowing fluids in a well
- Publication number 20080217001
- Publication date Sep 11, 2008
- Arthur Dybevik
- E21 - EARTH DRILLING MINING
Information Patent Application
Well device for throttle regulation of inflowing fluids
- Publication number 20060118296
- Publication date Jun 8, 2006
- Arthur Dybevik
- E21 - EARTH DRILLING MINING