Showing 1–19 of 19 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nathan R. Vandike | John Deere | 21 |
| 2 | Andrew W. Harmon | John Deere | 8 |
| 3 | Stephen H. McKelvain | Springfield | 7 |
| 3 | Dennis J. Reese | Hs Produkt D.O.O. | 7 |
| #5 | Stephen R. Corban | John Deere | 6 |
| #6 | Duane M. Bomleny | John Deere | 5 |
| #6 | Stanley R. Borkgren | John Deere | 5 |
| #8 | Cary S. Hubner | John Deere | 3 |
| #8 | Charles David Williams | Springfield | 3 |
| #10 | Drew Cross | State Farm | 2 |
| #11 | Derryn W. Pikesh | John Deere | 1 |
| #11 | Craig Air | — | 1 |
| #11 | Dennis P. Silver | John Deere | 1 |
| #11 | Mitchel J. Lindberg | John Deere | 1 |
| #11 | James M. Gessel | Cnh Industrial America | 1 |
| #11 | James M. Klein | — | 1 |
| #11 | Andrew Timmerman | Martin Engineering | 1 |
| #11 | Steven Arndt | Wahl Clipper | 1 |
| #11 | Lawrence F. Kane | John Deere | 1 |
Part of Illinois