Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Finis L. Chisum | — | 2 |
| 1 | Harry Bentz | — | 2 |
| 3 | Lawrence E. Doty | Baker Hughes Holdings | 1 |
| 3 | Masoud Toofan | Hydro Hoist International | 1 |
| 3 | David Del Serra | Baker Hughes Holdings | 1 |
| 3 | Fred S. Martin | Baker Hughes Holdings | 1 |
| 3 | Dennis J. Brown | Tulips | 1 |
| 3 | Phillip Naegele | Halliburton | 1 |
| 3 | Warner B. Marlar | — | 1 |
| 3 | Todd A. Elson | Hydro Hoist International | 1 |
Part of Oklahoma