Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9133766 | Internal combustion engine | Wolfgang Strusch, Martin Schneider, Ralph Oberzier | 2015-09-15 |
| 4828456 | Fan unit and a method of manufacturing the guide vanes of such a unit | Gerd Bodzian | 1989-05-09 |
| 4768424 | Roof ventilator | Friedrich K. Frenkler, Andreas Haug | 1988-09-06 |
| 4742765 | Power roof ventilator | Bernd Weinert | 1988-05-10 |
| 4574210 | External rotor motor having a cooling system | — | 1986-03-04 |
| 4546817 | Rotor for a regenerative heat exchanger | — | 1985-10-15 |
| 4493341 | Blower unit for air-conditioning plant | — | 1985-01-15 |