Showing 1–23 of 23 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert M. Campion | Caterpillar | 4 |
| 2 | Jon T. Immel | Caterpillar | 3 |
| 3 | Donald Stickel | Caterpillar | 2 |
| 3 | David Eugene Cooper | Kymeta | 2 |
| 3 | Christopher F. Gallmeyer | Caterpillar | 2 |
| 3 | Travis N. Richards | Caterpillar | 2 |
| 3 | John Morris | Vesuvius U S A | 2 |
| 3 | Benjamin J. Kovalick | Caterpillar | 2 |
| #9 | DAVID PLAPPERT | — | 1 |
| #9 | Richard A. Carpenter | Caterpillar | 1 |
| #9 | Edward H. Betts, Jr. | Caterpillar | 1 |
| #9 | Seth C. Studnicka | Caterpillar | 1 |
| #9 | Jason L. Sebright | Caterpillar | 1 |
| #9 | James Wagner | Caterpillar | 1 |
| #9 | Steven R. Krause | Caterpillar | 1 |
| #9 | Joel Skalet | Caterpillar | 1 |
| #9 | Thomas R. Fenelon | Caterpillar | 1 |
| #9 | Leon Adcock | Caterpillar | 1 |
| #9 | Christopher R. Gehrke | Caterpillar | 1 |
| #9 | Michael D. Beyer | Caterpillar | 1 |
| #9 | Joshua Struble | Caterpillar | 1 |
| #9 | Daniel Stanek | Caterpillar | 1 |
| #9 | Robert Gerald Bullock | Caterpillar | 1 |
Part of Illinois