Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Dale C. Maley | Caterpillar | 16 |
| 2 | Norman Rittenhouse | — | 13 |
| 3 | William Metz | Aventis Pharmaceuticals | 9 |
| #4 | Robert E. Daniels, Jr. | Quanex | 3 |
| #5 | Troy Steffen | State Farm | 2 |
| #5 | Donald Slagel | — | 2 |
| #7 | Mark Bachtold | State Farm | 1 |
| #7 | Sherri Lynn Crutcher | State Farm | 1 |
| #7 | Dawn Lynette Meiss | State Farm | 1 |
Part of Illinois