Showing 1–23 of 23 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | William P. Hettinger, Jr. | Ashland Oil | 69 |
| 2 | Hubert Beck | Fichtel & Sachs | 62 |
| 3 | H. Wayne Beck | Ashland Oil | 12 |
| #4 | Dwight F. Barger | Ashland Oil | 9 |
| #5 | John J. Sartaine | Mining Technologies | 6 |
| #6 | Charles R. Herron | National Mine Service | 5 |
| #6 | Perry E. Landers | Ashland Oil | 5 |
| #6 | David L. Kleimeyer | NVIDIA | 5 |
| #9 | H. Anthony Raiche | Ashland Oil | 4 |
| #10 | Charles F. Lochow | Ashland Oil | 3 |
| #11 | James L. Burris | NVIDIA | 2 |
| #11 | Robert B. Muncy | — | 2 |
| #11 | Roger L. Haley | Allied Consulting | 2 |
| #11 | Raymond C. Searles | ExxonMobil | 2 |
| #15 | Wayne G. Conley | NVIDIA | 1 |
| #15 | Jr. Hettinger | Ashland Oil | 1 |
| #15 | Leon H. Shoemaker | National Mine Service | 1 |
| #15 | Milton R. Snowden | — | 1 |
| #15 | Jerry Karlovsky | National Mine Service | 1 |
| #15 | Howard L. Simon | Allied Consulting | 1 |
| #15 | Kimberly C. Muncy | — | 1 |
| #15 | Pauline L. Traylor | — | 1 |
| #15 | Junior Walker | — | 1 |
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