Showing 1–18 of 18 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John A. Hanig | Sukup Manufacturing | 18 |
| 2 | Bradley Allan Poppen | Sukup Manufacturing | 10 |
| 3 | Jay D. Crawford | Trw Limited | 7 |
| 3 | Edward H. Smit | Sukup Manufacturing | 7 |
| #5 | Gordon S. Dye, Jr. | — | 6 |
| #6 | Graham Giddings | Sukup Manufacturing | 4 |
| #6 | Tun Ge | Sukup Manufacturing | 4 |
| #6 | Thomas J. Jensen | Sukup Manufacturing | 4 |
| #9 | Dustin Platte | Sukup Manufacturing | 3 |
| #10 | Floyd D. Greimann | — | 2 |
| #10 | Theresa A. Dye | — | 2 |
| #10 | Todd Maxwell Hall | — | 2 |
| #13 | Gordon L. Greimann | — | 1 |
| #13 | Brad Poppen | Sukup Manufacturing | 1 |
| #13 | Steve Sukup | Sukup Manufacturing | 1 |
| #13 | Jill Ihrke | — | 1 |
| #13 | Robert E. Cockram | — | 1 |
| #13 | Marvin G. Meyer | Sukup Manufacturing | 1 |
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