Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David Erhart | The Schnipke Family | 11 |
| 2 | Dennis J. Siefer | Metokote | 3 |
| 2 | Dennis J. Turnwald | Unverferth Manufacturing Co. | 3 |
| #4 | Kent Kahle | Metokote | 2 |
| #4 | Phillip G. Fuerst | Aeroquip | 2 |
| #6 | Jackie Schroeder | — | 1 |
| #6 | Christopher J. Fortman | — | 1 |
| #6 | James A. McElwain | — | 1 |
| #6 | Donald H. Rampe | Unverferth Manufacturing Co. | 1 |
| #6 | Louis D. Fanger | Unverferth Manufacturing Co. | 1 |
Part of Ohio