Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Franz-Josef Puttmann | Tracto-Technik Gmbh & Co., Kg | 5 |
| 2 | Eckhard Gransow | Friedrich Grohe Ag | 2 |
| 2 | Peter Epe | Leopold Kostal Gmbh & Co. Kg | 2 |
| 2 | Alfons Hesse | Tracto-Technik Paul Schmidt Spezialmaschinen | 2 |
| #5 | Gerhard Balve | Tracto-Technik Paul Schmidt Spezialmaschinen | 1 |
| #5 | Jan Kopietz | Degussa Ag | 1 |
| #5 | Thomas Raadts | Friedrich Grohe Ag & Co. Kg | 1 |
| #5 | Viola Rosemeyer | BOE | 1 |