Showing 1–13 of 13 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Joseph R. Byrum | Stine Seed Farm | 15 |
| 2 | Steven P. Hergott | Townsend Engineering | 7 |
| 3 | Mark W. Schacht | — | 1 |
| 3 | Saul Mirsky | Compressor Controls | 1 |
| 3 | Petr A. Petrosov | — | 1 |
| 3 | James Franklin Bierl | John Deere | 1 |
| 3 | Michell C. Tarczynski | Pioneer (Corteva) | 1 |
| 3 | Don D. Holms | Townsend Engineering | 1 |
| 3 | Tatiana Seregina | Human Gene Therapy Research Institute | 1 |
| 3 | Gary A. Sandahl | Pioneer (Corteva) | 1 |
| 3 | Jeffrey R. Olinger | — | 1 |
| 3 | Ronald L. Barnes | Ncr | 1 |
| 3 | Matthias Liebergesell | Pioneer (Corteva) | 1 |
Part of Iowa