Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jacob Richard Smith | Vermeer Manufacturing | 2 |
| 1 | Nathan R. Erickson | Pella | 2 |
| 3 | Jeremy Michael Throop | — | 1 |
| 3 | Jacob Rewerts | Vermeer Manufacturing | 1 |
| 3 | CATHERINE J CLARK | Pioneer (Corteva) | 1 |
| 3 | Joshua Knichel | Dee Zee | 1 |
Part of Iowa