Showing 1–13 of 13 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Simon Fraser | Friedrich Grohe Ag & Co. Kg | 6 |
| 2 | Robert Patrick Appleton | Smith International | 1 |
| 2 | Ian Michael | — | 1 |
| 2 | Thomas Kilpatrick McLaughlin | National Oilwell Varco | 1 |
| 2 | Philip Wills | Baker Hughes Holdings | 1 |
| 2 | Elaine Stephen | — | 1 |
| 2 | Gavin David Cowie | Interventek Subsea Engineering Limited | 1 |
| 2 | Bernard Humprey | Abb Vetco Gray | 1 |
| 2 | Ahmadi Tehrani | M-I L.L.C. | 1 |
| 2 | Sunil N. Gulrajani | Schlumberger Technology | 1 |
| 2 | George Alexander Burnett | National Oilwell Varco | 1 |
| 2 | Stewart Willis | Acergy Uk Limited | 1 |
| 2 | Calum Whitelaw | Weatherford/Lamb | 1 |