Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11415237 | Drill string safety valve device | Helge Hope, Alf Breivik | 2022-08-16 |
| 10626682 | Centralizer device and method for deployment of a bore hole component in a borehole | Helge Hope, Alf Breivik | 2020-04-21 |