Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8051914 | Well packing | — | 2011-11-08 |
| 7832491 | Well packing | — | 2010-11-16 |
| 7472757 | Well packing | — | 2009-01-06 |
| 7143832 | Well packing | — | 2006-12-05 |
| 5655607 | Downhole tool for pressure testing of oil and gas wells | Jone Mellemstrand, Bernt Sigve Aadn.o slashed.y, Svein ritsland | 1997-08-12 |
| 5069488 | Method and a device for movement-compensation in riser pipes | Arnfinn Nergaard | 1991-12-03 |
| D317298 | Cable protector | Harald Schmidt, Helge Skurve | 1991-06-04 |
| D317150 | Cable protector | Harald Schmidt, Helge Skorve | 1991-05-28 |