Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Raymond Hauser | Hydro-Gear Limited Partnership | 6 |
| 2 | Herb Poplawski | Hydro-Gear Limited Partnership | 2 |
| 2 | Ron Sporrer | Hydro-Gear Limited Partnership | 2 |
| 2 | Thomas J. Langenfeld | Hydro-Gear Limited Partnership | 2 |
| #5 | Daryl Smothers | Hydro-Gear Limited Partnership | 1 |
| #5 | Michael L. Bennett | Hydro-Gear Limited Partnership | 1 |
| #5 | Lonnie E. Holder | Hydro-Gear Limited Partnership | 1 |
Part of Illinois