Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Roald Overland | — | 4 |
| 2 | Jon Olav Aarhus | Vetco Gray Scandinavia As | 2 |
| 2 | Tom Thormodsen | Basf Se | 2 |
| #4 | Jorun Hustveit | Norsk Hydro Asa | 1 |
| #4 | Hansen Martin Jan | O. Mustad & Son A/S | 1 |
| #4 | Geir Rogne | O. Mustad & Son A/S | 1 |
| #4 | Harald Hoksaas | — | 1 |
| #4 | Nestor Mario Ramallo | — | 1 |
| #4 | Hilbert Johansen | O. Mustad & Son A/S | 1 |