Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Chad Hagen | Oregon Health & Science University | 3 |
| 1 | David M. Haala | — | 3 |
| 3 | Aaron R. Schweigert | The Toro | 2 |
| #4 | Paul M. Krienke | — | 1 |
| #4 | Bradd Mielke | — | 1 |
| #4 | Jamie Lee Pietig | Ridley Usa | 1 |
| #4 | Robert Hansen | — | 1 |
Part of Minnesota