Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jeff Rahlf | Donaldson Company | 10 |
| 2 | Dennis J. Zweibohmer | Trimark | 9 |
| 3 | Matthew L. Hidding | Trimark | 8 |
| #4 | Nathan Ray Dockendorf | Rev Ambulance Group Orlando | 1 |
| #4 | Ralph G. Stevenson | Unknown | 1 |
Part of Iowa