Showing 1–14 of 14 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Samuel E. Hohulin | National Union Electric | 27 |
| 2 | Joyce Thomas | White Consolidated Industries | 19 |
| 3 | Kevin Payne | State Farm | 14 |
| 3 | Brian E. Freed | Ag Focus | 14 |
| #5 | Bruce W. Freed | Ag Focus | 8 |
| #6 | Wade D. Scrivner | Caterpillar | 3 |
| #7 | Michael Oetting | Euro-Pro Operating | 2 |
| #7 | Jeffrey G. Christianson | State Farm | 2 |
| #9 | Chad W. Coombs | Cnh Industrial America | 1 |
| #9 | Hannah Matlock | State Farm | 1 |
| #9 | Kevin Lucht | State Farm | 1 |
| #9 | Wayne Walk | State Farm | 1 |
| #9 | Mark Moncelle | State Farm | 1 |
| #9 | Sam Hohulin | Electrolux Home Care Products | 1 |
Part of Illinois