Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David Walter Whitaker | Pioneer (Corteva) | 14 |
| 2 | Philip J. Ehrhart | Cnh America | 6 |
| 3 | Kevin M. Smith | Cnh Industrial America | 5 |
| #4 | Frank Nolt Weaver | — | 1 |
| #4 | Bruce L. Williams | Wonderland Switzerland Ag | 1 |
| #4 | Phillip B. DeMarra | — | 1 |
| #4 | Frank Nevin Weaver | — | 1 |
Part of Pennsylvania