Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Daniel James Burke | John Deere | 30 |
| 2 | Duane Franzen | Custom-Pak | 6 |
| 3 | Eugene J. Krukow | International Harvester | 4 |
| #4 | Delmer R. Nelson | A. O. Smith Harvestore Products | 2 |
| #4 | William Clifford Kirkham | Unknown | 2 |
| #6 | Harold V. Hansen | — | 1 |
| #6 | Shane Brueegen | John Deere | 1 |
| #6 | Larry A. Toppert | — | 1 |
| #6 | Vernon Eugene Skipper | The Timken | 1 |
Part of Illinois