Per Helgerud

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Hokksund, NO

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Patents Grantslast 30 patents

Information Patent Grant
System for depth control of a marine deflector
- Patent number 7,658,161
- Issue date Feb 9, 2010
- WesternGeco L. L. C.
- Rune Toennessen
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Method for synchronization of systems for seismic surveys, together...
- Patent number 5,548,562
- Issue date Aug 20, 1996
- Geco A.S.
- Per Helgerud
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
System for Depth Control of a Marine Deflector
- Publication number 20080022913
- Publication date Jan 31, 2008
- Rune Toennessen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING