Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Michael Jerome Whipple | Eaton | 3 |
| 1 | Craig W. Vaughan | Calgon | 3 |
| 3 | Casimir J. Koshinski | Pittsburgh Mineral And Environment Technology | 1 |
| 3 | Samuel P. Hopkins | Tiversa Ip | 1 |
| 3 | John M. Zwigart | Carl Strutz & Co. | 1 |
| 3 | Melvin L. McClellan | Elkem Metals Company | 1 |
| 3 | Garry B. Theadore | Eaton | 1 |
| 3 | Kathleen A. Belfiore | The Procter & Gamble | 1 |
| 3 | Kenneth E. Ondrusek | United States Filter | 1 |
| 3 | Dean McClymonds | — | 1 |
Part of Pennsylvania