Showing 1–13 of 13 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nathan R. Vandike | John Deere | 6 |
| 2 | Duane M. Bomleny | John Deere | 5 |
| 3 | Cary S. Hubner | John Deere | 3 |
| #4 | Stanley R. Borkgren | John Deere | 2 |
| #4 | David D. Heilman | Constellation Energy Generation | 2 |
| #4 | Charles David Williams | Springfield | 2 |
| #4 | Stephen H. McKelvain | Springfield | 2 |
| #8 | Susan G. Gray | John Deere | 1 |
| #8 | Andrew Timmerman | Martin Engineering | 1 |
| #8 | Andrew W. Harmon | John Deere | 1 |
| #8 | Scott R. Bowers | John Deere | 1 |
| #8 | William L. Cooksey | Cnh Industrial America | 1 |
| #8 | Stephen R. Corban | John Deere | 1 |
Part of Illinois