Showing 1–15 of 15 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Mark A. Ruggie | Masonite | 78 |
| 2 | William A. Koehring | Limagrain Genetics Grande Culture Sa | 7 |
| 3 | Todd C. Westberg | Auto Meter Products | 5 |
| #4 | Stephen P. Zapatka | Peninsula Packaging | 4 |
| #4 | Nathan Watson | Ideal Industries | 4 |
| #4 | Donald R. Watson | Emc | 4 |
| #7 | Ryan Block | Kdesign Gmbh | 3 |
| #8 | Rudolf Gerritsen | — | 2 |
| #9 | Nick Krengiel | — | 1 |
| #9 | Steven Faivre | John Deere | 1 |
| #9 | Joseph B. Widmayer | — | 1 |
| #9 | Ronald M. Joynt | — | 1 |
| #9 | Vincent J. Wilhelmi | — | 1 |
| #9 | David James Bobik | — | 1 |
| #9 | Debra Coffman | — | 1 |
Part of Illinois