Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955303 | Heating system and process for influencing air flows in a heating system | Nils Elm, Andreas Ludwig, Andreas May, Nikolaus Gerhardt | 2005-10-18 |
| 6793147 | Heating system and process for influencing air flows in a heating system | Nils Elm, Andreas Ludwig, Andreas May, Nikolaus Gerhardt | 2004-09-21 |
| 4944454 | Heater, in particular vehicle auxiliary heater, with a temperature safety mechanism | Guenter Kahnau, Richard Kohse, Dieter Raethel | 1990-07-31 |
| 4940041 | Heater having a casing with an integrally cast mounting space for control components | Josef Riedmaier, Bernhard Schmatelka | 1990-07-10 |
| 4923033 | Heating device, particularly automotive heating device, with an integrated muffler | Karl Panick, Hermann Schoenberger, Johann Sperl, Johann Sondermeier | 1990-05-08 |
| 4818219 | Vaporization burner | Siegfried Piegsa | 1989-04-04 |
| 4678431 | Vaporization burner for a heater operated by means of liquid fuel | Dieter Goerlich | 1987-07-07 |
| 4216759 | Auxiliary heater for vehicles | Reiner Friedl, Dieter Zeus, Werner Hornfeck | 1980-08-12 |