Top Inventors at Nelson Irrigation 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Craig B. Nelson | 9 |
| 2 | Riley D. Greenwood | 4 |
| 3 | Chad D. Leinweber | 3 |
| #4 | George L. Sesser | 3 |
| #5 | Andrew B. Hellie | 2 |
| #6 | Joseph Daniel Sinden | 2 |
| #7 | Mathew L. Zimmerman | 2 |
| #8 | Barton R. Nelson | 1 |
| #9 | Michael Townsend | 1 |
| #10 | Reid A. Nelson | 1 |
| #11 | Sean M. Scott | 1 |
| #12 | Steven E. Crawford | 1 |