Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Michael Lee Pyle | Mcs Industries | 5 |
| 2 | Joseph A. Schneider | Stoneage | 4 |
| 3 | Riley A. Albers | Caterpillar | 2 |
| #4 | John P. Marek | Caterpillar | 1 |
| #4 | Erich A. Schoedl | Miner Enterprises | 1 |
| #4 | Nick DeFrancesco | Components Express | 1 |
| #4 | David F. Lemmerhirt | Sonetics Ultrasound | 1 |
| #4 | Eric Wehrli | The Azek Group | 1 |
| #4 | Brian Schifler | — | 1 |
Part of Illinois