Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Curtis Simpson | State Farm | 28 |
| 2 | Rustin Glenn Metzger | Caterpillar | 18 |
| 3 | Sharon Gibson | State Farm | 14 |
| #4 | Michael K. Cook | State Farm | 13 |
| #5 | Bradley A. Weyeneth | Caterpillar | 2 |
| #6 | Patrick D. Hill | Racal-Datacom Limited | 1 |
| #6 | Steven D Houseworth | — | 1 |
| #6 | Marjorie Ann Jones | The Board Of Trustees Of Illinois State University | 1 |
| #6 | John Holliger | — | 1 |
Part of Illinois