Showing 1–25 of 25 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert J. White | Peak International | 3 |
| 2 | Paul Thomas Bruss | John Deere | 2 |
| 2 | Thomas M. Harris | Tenneco Automotive Operating Company | 2 |
| 2 | David James Haugen | US EPA | 2 |
| 2 | Douglas J. Nagel | Donaldson Company | 2 |
| 2 | Arthur Lance Springer | Verizon | 2 |
| #7 | Christopher D. Turner | John Deere | 1 |
| #7 | Wayne Worthington | Unknown | 1 |
| #7 | Robert James Recker | John Deere | 1 |
| #7 | Aaron David Wikner | John Deere | 1 |
| #7 | Dean Arden Boyce | John Deere | 1 |
| #7 | Keith Baker | John Deere | 1 |
| #7 | Mark T. Ryan | Target Brands | 1 |
| #7 | Randy C. Rush | John Deere | 1 |
| #7 | Scott A. Larson | 3M | 1 |
| #7 | Michael Cook | John Deere | 1 |
| #7 | Kyle D. Seibold | John Deere | 1 |
| #7 | Brad Stroh | — | 1 |
| #7 | Doug Brocco | John Deere | 1 |
| #7 | Richard E. Winsor | John Deere | 1 |
| #7 | Craig Fanton | John Deere | 1 |
| #7 | Clinton Lane Lafferty | — | 1 |
| #7 | Gary L. Campbell | Verizon | 1 |
| #7 | Benjamin C. Potter | John Deere | 1 |
| #7 | Matthew D. Bush | Band-It-Idex | 1 |
Part of Iowa