Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Harvey J. Kallenberger | Harnischfeger | 6 |
| 2 | Robert A. Luhman | 3M | 4 |
| 3 | Dennis D. Hansen | 3M | 2 |
| 3 | John H. Morehead | Wilson Tool International | 2 |
| #5 | Neil W. Pohl | — | 1 |
| #5 | David L Persells | Tetra Laval Holdings & Finance S.A. | 1 |
| #5 | Raymond P. Jadrich | — | 1 |
| #5 | Jack D. Cornes | — | 1 |
| #5 | James F. Dyrud | 3M | 1 |
| #5 | Dick J. Sievert | Anchor Wall Systems | 1 |
| #5 | Richard Duerst | 3M | 1 |
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