Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nigel Dennis Griffin | Camco International (Uk) Limited | 44 |
| 2 | Edward George Parkin | Schlumberger Technology | 18 |
62 patents · 2 inventors
Ranked #21,429 of 111,555 cities Top 20%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nigel Dennis Griffin | Camco International (Uk) Limited | 44 |
| 2 | Edward George Parkin | Schlumberger Technology | 18 |