Top Inventors at Copes-Vulcan All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Allan K. Shea | 3 |
| 2 | Fritz O. Seger | 2 |
| 3 | Gregory A. Parkin | 2 |
| #4 | Ira H. Schnall | 2 |
| #5 | Kent Hemme | 2 |
| #6 | Gregory B. Soltys | 1 |
| #7 | John A. Brighton | 1 |
| #8 | Keith A. Williams | 1 |
| #9 | Richard F. Kuntz | 1 |
| #10 | Royce A. Billings | 1 |
| #11 | Ronald M. Gray | 1 |
| #12 | Timothy E. Kunkle | 1 |
| #13 | Walter W. Mott | 1 |