Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John W. Spirk | Nottingham Spirk Design Associates | 14 |
| 2 | James D. Burrington | The Lubrizol | 3 |
| 3 | Donald E. Negrelli | Picker International | 2 |
| #4 | Douglas M. Horner | Enpress | 1 |
| #4 | Carl V. Santoiemmo | Ranpak | 1 |
| #4 | Michael Sylvester | — | 1 |
Part of Ohio