Showing 1–15 of 15 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Thomas Ellmann | Caterpillar | 6 |
| 2 | William C. Foster | Dentsply Research And Development | 5 |
| 3 | John D. Gierszewski | Caterpillar | 4 |
| #4 | Robert E. Shockency, JR. | Caterpillar | 3 |
| #5 | John R. Jones | Caterpillar | 2 |
| #5 | Elmer B. Phelps | Caterpillar | 2 |
| #5 | Refael Ben Rubi | Sandisk Technologies | 2 |
| #8 | Robert Talley | Caterpillar | 1 |
| #8 | Larry W. Warner | — | 1 |
| #8 | Ralph B. Henson | Caterpillar | 1 |
| #8 | Dean E. Rees | Caterpillar | 1 |
| #8 | Thomas Corlen Robertson | Caterpillar | 1 |
| #8 | Raymond C. Ferro | — | 1 |
| #8 | Mary Elizabeth Blank | — | 1 |
| #8 | Linda M. Riedlinger | Caterpillar | 1 |
Part of Illinois