Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nicholas Hamm | John Deere | 13 |
| 2 | Hendrik Ophardt | Op-Hygiene Ip Gmbh | 11 |
| 3 | Jeffrey D. Reid | Westinghouse Air Brake | 7 |
| #4 | Marcus Jablonka | Ewald Dörken Ag | 6 |
| #5 | Rodney Bierhuizen | Unknown | 2 |
| #6 | Albert deMan | — | 1 |
| #6 | Andrew Timothy Rintjema | Schering-Plough Healthcare Products | 1 |
| #6 | Ralph N. Culp | John Deere | 1 |