Showing 1–18 of 18 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kevin James Markley | — | 10 |
| 2 | Thomas J. Hajek, Jr. | Caterpillar | 3 |
| 3 | Terry Dean Thomason | Illinois Tool Works | 2 |
| 3 | C. Robert Moon | Joda Enterprises | 2 |
| #5 | Dean J. Schlickbernd | Caterpillar | 1 |
| #5 | Carla De Young | Home Products International | 1 |
| #5 | Brian Pavey | R.R. Brink Locking Systems | 1 |
| #5 | Raymond Paris | — | 1 |
| #5 | Mark S. Schuck | International Engine Intellectual Property Company | 1 |
| #5 | Anton Grate | — | 1 |
| #5 | Thomas E. Close | 3M | 1 |
| #5 | Donald E. Govoni | Nalco Chemical | 1 |
| #5 | Richard G. Kraft | Crown Cork & Seal Technologies | 1 |
| #5 | Thomas Mavec | Robotic Technologies Limited | 1 |
| #5 | Patricia A. Levandowski | — | 1 |
| #5 | Steve L. Perella | Lumidigm | 1 |
| #5 | Gary E. Mason | Pinnacle Research Institute | 1 |
| #5 | Rifat Tabakovic | Flexible Products | 1 |
Part of Illinois