Showing 1–23 of 23 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Randall J. Ploeger | Lisle | 37 |
| 2 | James L. Pool | Lisle | 31 |
| 3 | Danny L. Williams | Lisle | 30 |
| #4 | Kevin L. Tally | Lisle | 24 |
| #5 | Scotty R. Kurtz | Lisle | 16 |
| #6 | Joel A. Negus | Lisle | 15 |
| #7 | John C. Lisle | Lisle | 6 |
| #7 | Curtis Hull | — | 6 |
| #7 | Marvin C. Negley | Lisle | 6 |
| #10 | Ryan J. K. Christie | Prescription Tillage Technology | 4 |
| #11 | Merrill R. Miller | Lisle | 3 |
| #12 | Kyle Shane Calfee | Lisle | 2 |
| #13 | Doyle D. Otte | — | 1 |
| #13 | Harold L. Foster | — | 1 |
| #13 | Michael A. Powers | — | 1 |
| #13 | Ty Alan Brown | Nsk Americas | 1 |
| #13 | Bonnie L. Lederer | — | 1 |
| #13 | Jeff Esaias | — | 1 |
| #13 | Christopher L. Fasnacht | Lisle | 1 |
| #13 | Randal J. Ploeger | Lisle | 1 |
| #13 | David Esaias | — | 1 |
| #13 | Gary L. Pullen | Lisle | 1 |
| #13 | Mack N. Farmer | Lisle | 1 |
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