Top Inventors at Henlopen Manufacturing Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Volker Schrepf | 12 |
| 2 | Thaddeus I. Kingsford | 3 |
| 3 | Michael Malvar | 2 |
| #4 | Charles P. Neuner | 1 |
| #5 | Edward Brooke Crutchley | 1 |
| #6 | Franklin J. Hartel | 1 |
| #7 | Patrick Fraillon | 1 |
| #8 | Salvatore Dorsa | 1 |
| #9 | Edward T. Hurrell | 1 |
| #10 | Trevor Hurrell | 1 |