Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Oskar Johansen | Halliburton Energy Services | 3 |
| 1 | Ole Hjertholm | Framo Engineering As | 3 |
| 3 | John Olav Myking | — | 1 |
| 3 | Pal Magne Hisdal | — | 1 |
| 3 | Andre Kristiansen Midtun | — | 1 |
| 3 | John Hestenes | — | 1 |
10 patents · 6 inventors
Ranked #53,186 of 111,555 cities Top 50%
Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Oskar Johansen | Halliburton Energy Services | 3 |
| 1 | Ole Hjertholm | Framo Engineering As | 3 |
| 3 | John Olav Myking | — | 1 |
| 3 | Pal Magne Hisdal | — | 1 |
| 3 | Andre Kristiansen Midtun | — | 1 |
| 3 | John Hestenes | — | 1 |