Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Wayne H. Beach | Kennametal | 28 |
| 2 | Cary D. Ritchey | Kennametal | 13 |
| 3 | Gary W. Wineland | Precision | 5 |
| #4 | Wayner H. Beach | Kennametal | 1 |
| #4 | Parker GREGG | — | 1 |
| #4 | Cayden WRIGHT | — | 1 |
| #4 | Betty L. Horner | — | 1 |
Part of Pennsylvania