Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7717184 | Safety interlock for control lines | Egil Abrahamsen, Svein Egil Vestersjo, Terje Baustad, Kaj Stokkeland, David M. Haugen | 2010-05-18 |
| 7213657 | Apparatus and methods for installing instrumentation line in a wellbore | Mike Foster, Jesse J. Constantine | 2007-05-08 |
| 7159653 | Spacer sub | — | 2007-01-09 |
| 6613982 | Cable protection in blow-out preventers | Frode Kaland | 2003-09-02 |