Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Edmond Payen | Ifp Energies Nouvelles | 5 |
| 2 | Pierre Dutilleul | Vallourec Mannesmann Oil & Gas France | 4 |
| 3 | Philippe Maintier | Ppg Industries Ohio | 3 |
| 3 | Armelle Payen | Schlumberger Technology | 3 |
15 patents · 4 inventors
Ranked #44,592 of 111,555 cities Top 40%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Edmond Payen | Ifp Energies Nouvelles | 5 |
| 2 | Pierre Dutilleul | Vallourec Mannesmann Oil & Gas France | 4 |
| 3 | Philippe Maintier | Ppg Industries Ohio | 3 |
| 3 | Armelle Payen | Schlumberger Technology | 3 |