Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Eric Donzier | Openfield | 36 |
| 2 | Gabriel Roussie | Vallourec Mannesmann Oil & Gas France | 24 |
| 3 | Bronislaw Seeman | Schlumberger Technology | 14 |
| #4 | Scott Granger | Vallourec Oil And Gas France | 13 |
| #5 | Bertrand Maillon | Vallourec Oil And Gas France | 8 |
| #6 | Daly Daly | Vallourec Oil And Gas France | 4 |
| #7 | Sébastien Villert | Nippon Steel | 2 |
Part of Texas