Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Christopher J. Sewall | Fmc | 10 |
| 2 | John Wallace Field | Douglas Dynamics, L.L.C. | 4 |
| 2 | Alan Adolphsen | Zike | 4 |
| #4 | Kenneth B. Guiseley | Fmc | 2 |
| #5 | Alan Aldophsen | — | 1 |
| #5 | Jody DiLorenzo | — | 1 |
| #5 | Alan Lowberg | — | 1 |
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