Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | James M. Benson | Atlas Copco Drilling Solutions | 5 |
| 1 | Paul E. Cole | Chrysler Group | 5 |
| 3 | John A. Soltesz | — | 2 |
| #4 | Jeff Kneubehl | — | 1 |
| #4 | Kenneth E. Ketcham | Unknown | 1 |
| #4 | Louise J. Kilar | — | 1 |
| #4 | Bryce Zoccola | Engelhard | 1 |
Part of Ohio