Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yngvar BORØY | National Oilwell Varco Norway As | 12 |
| 2 | Olav Revheim | Baker Hughes Holdings | 4 |
| 3 | Ivar Magnus Jansen | Cameron International | 2 |
| 3 | Yngvar Borø | — | 2 |
| #5 | Sigbjørn Endresen | — | 1 |
| #5 | Stig Vidar Johansen Trydal | National Oilwell Varco Norway As | 1 |
| #5 | Tor M. Stolpestad | — | 1 |
| #5 | Oddvar HØYDAL | Grant Prideco | 1 |