Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6932151 | Heat exchanger of an auxiliary heater | — | 2005-08-23 |
| 4932834 | Ring channel blower | Wolfgang Jentzsch | 1990-06-12 |
| 4749338 | Side channel blower | — | 1988-06-07 |
| 4688718 | Intermediate housing for a fuel-operated heater | Dieter Goerlich, Alois Reichensdoerfer | 1987-08-25 |