Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Wilhelm Kupper | W. Schlafhorst Ag & | 2 |
| 1 | Kurt Van Wersch | A. Monforts Gmbh & | 2 |
| 1 | Heinz Kamp | W. Schlafhorst Ag & | 2 |
| 1 | Herbert Ligacz | Wilhelm Hegenscheidt Gesellschaft Mbh | 2 |
| #5 | Josef Bertrams | W. Schlafhorst Ag & | 1 |
| #5 | Abdullah Hashim | British Telecommunications Public Limited | 1 |
| #5 | Nis-Friedrich Ewald | Wilhelm Hegenscheidt Gesellschaft Mbh | 1 |