Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Joseph W. Kozora | — | 3 |
| 2 | Peter M. Noble | Bacharach | 2 |
| 2 | Jonathan T. Martz | Ppg Industries Ohio | 2 |
| #4 | Gary S. Hapach | United States Filter | 1 |
| #4 | William T. Urmson, Jr. | Portec Rail Products | 1 |
| #4 | Jeffrey T. Dederer | Westinghouse Electric | 1 |
Part of Pennsylvania