Showing 1–14 of 14 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Mark S. Barton | August Lotz Co. | 9 |
| 2 | Dave McKeeth | Cummins Filtration Ip | 3 |
| 2 | Darrel Kersting | Nelson Industrial | 3 |
| #4 | Lucas Dale Peterson | — | 2 |
| #5 | Ken Nortman | Tetra Laval Holdings & Finance S.A. | 1 |
| #5 | Terry Moldenhauer | — | 1 |
| #5 | Elroy W. Dahl | — | 1 |
| #5 | Loraine M McDonald | — | 1 |
| #5 | Faye Begay | — | 1 |
| #5 | Sarah Piepenburg | — | 1 |
| #5 | Anthony M. Burlingame | Unknown | 1 |
| #5 | Philip L. Woof | — | 1 |
| #5 | Ronald D. Gerdes | — | 1 |
| #5 | Garry P. Kenyon | Lake Center Industries | 1 |
Part of Wisconsin