Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Henry D. Anstey | John Deere | 4 |
| 2 | Kriss Helmick | John Deere | 3 |
| 3 | Carl F. Demulder | John Deere | 2 |
| 3 | Ashley M. Johnson | John Deere | 2 |
| 3 | Daniel E. Derscheid | John Deere | 2 |
| #6 | Ross A. McCombs | Accel Performance Group | 1 |
| #6 | David L. Barker | Musco | 1 |
| #6 | Alan Lugert | John Deere | 1 |
| #6 | Roger William Frimml | John Deere | 1 |
| #6 | Kyle R. Teach | John Deere | 1 |
Part of Iowa