Showing 1–17 of 17 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | James M. Graziano | Vesuvius | 37 |
| 2 | Richard A. Sparks | Swf Industrial | 10 |
| 3 | Marley Duclo | — | 5 |
| #4 | Carolyn Soberalske Cotten | — | 2 |
| #5 | James W. Colt | — | 1 |
| #5 | Hank Saruwatari | — | 1 |
| #5 | Denzil L. Floyd | — | 1 |
| #5 | Bill Grom | — | 1 |
| #5 | Lance Rundle | — | 1 |
| #5 | Teresa Barnes | — | 1 |
| #5 | Roswell D. Allen | — | 1 |
| #5 | Marcello M. Cabus | — | 1 |
| #5 | Ross Allen | Allen Tool Company | 1 |
| #5 | Edward S. Tuft | — | 1 |
| #5 | Ray D. Marvel | — | 1 |
| #5 | John C. Springer | — | 1 |
| #5 | Henry S. Saruwatari | — | 1 |
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