Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Udo Frinzel | Siemens Aktiengesellschaft | 5 |
| 2 | Alfred J. Otto | Wilo Se | 1 |
| 2 | Paul Kirchgesner | Rehau Ag + | 1 |
| 2 | Heinz Burkel | Rehau Plastiks Ag & | 1 |
| 2 | Thorsten Keibel | Helsa-Werke Helmut Sandler Gmbh & Co. Kg | 1 |
| 2 | Martin Virow | Rapa Automotive Gmbh & Co. Kg | 1 |