Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7389817 | Riser control device | Jeffrey Charles Edwards | 2008-06-24 |
| 6691781 | Downhole gas/water separation and re-injection | Alexander Angus Grant, Per Eivind Gramme, Sven Arne Kjolberg, Bjarne Olsen, Terje Sondtvedt | 2004-02-17 |
| 6277286 | Method and device for the separation of a fluid in a well | Terje S.o slashed.ntvedt, Per Eivind Gramme, Hielke Kamps | 2001-08-21 |
| 4308101 | Fixing means for a substantially cylindrical nuclear reactor pressure vessel with a vertical axis | Bo Borrman, Lennart Gillander, Roland Larsson, John E. Steger | 1981-12-29 |