Showing 1–13 of 13 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Thomas M. Christy | Kejr | 4 |
| 2 | Volker Wittig | Kejr Engineering | 3 |
| 3 | Roy E. Applequist | Great Plains Manufacturing | 1 |
| 3 | J. Michael McClure | Great Plains Manufacturing | 1 |
| 3 | Enoch Harris | — | 1 |
| 3 | John N. Harrell | — | 1 |
| 3 | Richard A. Barlow | Bentley-Harris | 1 |
| 3 | Dan J. Obenland | Great Plains Manufacturing | 1 |
| 3 | Harold C. Scott | Coleman Powermate | 1 |
| 3 | Kyle Jensen | Veris Technologies | 1 |
| 3 | Timothy J. Ptacek | Great Plains Manufacturing | 1 |
| 3 | Thomas L. Westall | — | 1 |
| 3 | Maynard E. Nelson | Unknown | 1 |
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