Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Mark G. Pleva | Sentry Valve Company | 7 |
| 2 | Shaun J. Miller | John Deere | 5 |
| 3 | Benjamin Wiese | Multiquip | 4 |
| #4 | James M. Seals | US Air Force | 3 |
| #5 | John Pleva | — | 1 |
| #5 | Lanny P. Lincoln | Iowa State University | 1 |
| #5 | Rita Clare Whitmer | — | 1 |
| #5 | Mary Jo Schmerr | USDA | 1 |
| #5 | Larry Joseph Ranard | M.G. Manufacturing Company | 1 |
| #5 | Marion D. Elliott | John Deere | 1 |
Part of Iowa