Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6105876 | Heating system for vehicles | Werner Hennrich | 2000-08-22 |
| 5050796 | Fuel preheating device for a heater | Dieter Raethel, Christof Schumacher, Wilfried Renovanz | 1991-09-24 |
| 4718602 | Fuel operated vehicle heater | Wolfgang Beck, Werner Lucius, Ernst Mosig | 1988-01-12 |