Showing 1–22 of 22 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Stephen J. Anderson | Bank of America | 37 |
| 2 | Byron James Friesen | Harvest International | 16 |
| 3 | Garry D. Friesen | Harvest International | 14 |
| #4 | Richard C. Anderson | Agrigenics | 10 |
| #4 | Randy P. Kruse | The Timken | 10 |
| #6 | Cordell R. Burton | Pella | 6 |
| #7 | Kevin D. Kottke | Gomaco | 4 |
| #7 | James Boettcher | Emc Ip Holding Company | 4 |
| #9 | Nathan L. Greiner | Dmi Companies | 3 |
| #9 | Raymond P. Waldner | — | 3 |
| #11 | Herbert R. Peer | — | 2 |
| #11 | Kelly F. Mishak | Trimark | 2 |
| #11 | Daniel L. Frederick | Meridian Manufacturing | 2 |
| #14 | Frank POWERS, JR. | — | 1 |
| #14 | Lloyd Boettcher | — | 1 |
| #14 | Jennifer L. Felton | — | 1 |
| #14 | Dan D. Soellner | — | 1 |
| #14 | Jane M. Caldwell | USDA | 1 |
| #14 | Isaiah Friesen | Unknown | 1 |
| #14 | Edgar Hosiel Leon Esquivel | — | 1 |
| #14 | Adam OLSON | Harvest International | 1 |
| #14 | Otto H. Sievers | — | 1 |
Part of Iowa