Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David R. Smith | — | 19 |
| 2 | Donald E. Luebrecht | Crown Equipment | 16 |
| 3 | Michael J. Hilvers | Unverferth Manufacturing Co. | 11 |
| #4 | Robert L. Blankemeyer | Metokote | 3 |
| #4 | Roger Trentman | — | 3 |
| #6 | David E. Fanning | — | 1 |
| #6 | Andrew HUNTSMAN | Ohio State Innovation Foundation | 1 |
| #6 | R. Ted Horstman | — | 1 |
Part of Ohio