Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Raymond Hauser | Hydro-Gear Limited Partnership | 6 |
| 2 | Thomas J. Langenfeld | Hydro-Gear Limited Partnership | 3 |
| 2 | Michael L. Bennett | Hydro-Gear Limited Partnership | 3 |
| 2 | K. Mike McCoy | — | 3 |
| #5 | Jake Siudyla | Hydro-Gear Limited Partnership | 2 |
| #5 | B. Keith Harshman | Hydro-Gear Limited Partnership | 2 |
| #7 | Donald Rousser | Hydro-Gear Limited Partnership | 1 |
| #7 | Matthew C. Roney | Hydro-Gear Limited Partnership | 1 |
| #7 | Edward Patrick Ormiston | Caterpillar | 1 |
Part of Illinois