Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10443342 | Method and apparatus for sealing an annulus around a drill-pipe when drilling down-hole | Rune Haugom | 2019-10-15 |
| 10294731 | Drill pipe completion device | Stein Børre Torp, Torgeir Wenn | 2019-05-21 |