Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7857001 | System and method to transfer fluid | Per Herbert Kristensen, Bjørn R. Lien, Per Erik Christiansen, Alexander Areshev | 2010-12-28 |
| 6470969 | Arrangement on a floating device for overhauling offshore hydrocarbon wells | Lars Martin Sørhaug, Per Herbert Kristensen | 2002-10-29 |