Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert L. Crevling, Jr. | Shop Vac | 2 |
| 1 | Gareth Knowles | Qortek | 2 |
| 3 | Gary Summers | — | 1 |
| 3 | Roger W. Barr | Construction Specialties | 1 |
| 3 | Thomas J. van Dijk | — | 1 |
| 3 | Matthew L. Huff | Shop Vac | 1 |
| 3 | Kyle Thomas Hackmeister | Northwestern University | 1 |
| 3 | Jon C. Zook | Illinois Tool Works | 1 |
| 3 | Joseph Anthony Hauser | The Young Industries | 1 |
| 3 | Kevin Alan Pool | — | 1 |
| 3 | Blair D. Soars | — | 1 |
| 3 | Don Brown | Burlington Industries | 1 |
Part of Pennsylvania