Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | James A. Wheeler | Transmisiones Tsp, S. A., De, C.V. | 16 |
| 2 | Norval J. Wiemken | Caterpillar | 10 |
| 3 | Delaney C. Hopkins | Caterpillar | 3 |
| 3 | Rodney Connor | Indigo Ag | 3 |
| #5 | William G. Worby | Caterpillar | 1 |
| #5 | Harold E. Ogg, Jr. | Caterpillar | 1 |
| #5 | Norval J. Weimken | Caterpillar | 1 |
| #5 | Claymon D. Webb | R. R. Donnelley & Sons | 1 |
| #5 | Wesley Lehman | — | 1 |
| #5 | D. Clark Hopkins | Caterpillar | 1 |
| #5 | Cris R. Lehman | Halliburton | 1 |
| #5 | William Thais | — | 1 |
Part of Illinois