Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Gerd Lange | Fixtures Manufacturing | 3 |
| 2 | Hans-Jurgen Kohnke | Stiebel Eltron Gmbh & Co. Kg | 1 |
| 2 | Ernst-Joachim Brunke | Dragoco Gerberding & Co. Ag | 1 |
| 2 | Willi Rojahn | Dragoco Gerberding & Co. Ag | 1 |