Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nathan R. Erickson | Pella | 2 |
| 1 | Jerry E. White | John Deere | 2 |
| 3 | Jeffrey T. Smart | Smart Industries | 1 |
| 3 | Mary Rupe | Pioneer (Corteva) | 1 |
| 3 | Rob Cross | — | 1 |
| 3 | Ricky Joe Sullivan McIntosh | — | 1 |
| 3 | Kody A. Sjoblom | John Deere | 1 |
| 3 | Kurt D. Gustafson | Iowa State University | 1 |
| 3 | John Gary Gardner | Vermeer Manufacturing | 1 |
| 3 | Albert Marasco | Dico | 1 |
| 3 | Theodore J. Shinners | John Deere | 1 |
Part of Iowa