Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Marvin M. Martens | E.I. Du Pont De Nemours And | 12 |
| 2 | Chris D. Bartel | Advanced Steel Recovery | 8 |
| 3 | Jesse Kay Davis | Southwire Company | 3 |
| #4 | Phillip R. Sutter | — | 2 |
| #4 | Melvin J. Kliewer | Unknown | 2 |
| #4 | Garen N Ewbank | — | 2 |
| #7 | G. Richard Thomas | — | 1 |
| #7 | Justin J. Kliewer | — | 1 |
| #7 | Walter A. Bartel | — | 1 |
Part of Oklahoma