Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11897738 | Hoisting system and method | Rolf Gullaksen | 2024-02-13 |
| 11814910 | System and method for handling a tubular member | Zhijun Zhou, Thomas Vatne | 2023-11-14 |
| 11454069 | System and method for handling a tubular member | Zhijun Zhou, Thomas Vatne | 2022-09-27 |
| 11236556 | Vertical pipe handling | Rolf Gullaksen | 2022-02-01 |
| 11187049 | Fingerboard | Rolf Gullaksen, Kenneth Birkeland | 2021-11-30 |
| 11097929 | Top-mounted hoist for use in a derrick or drilling mast of an oil and gas rig | Dag Holen, Rolf Gullaksen | 2021-08-24 |
| 9567814 | Hoisting systems with heave compensation | Harald Langenes, Håkon F. Bergan, Bard Henning Kaasin | 2017-02-14 |
| 4582133 | Pipe handling assembly | — | 1986-04-15 |