Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11345214 | Vehicle heater | Andreas Collmer, Uwe Grotstollen, Michael Haefner | 2022-05-31 |
| 11305613 | Carrier device | Hans C. Jensen, Uwe Grotstollen, Johannes Eger | 2022-04-19 |
| 10259289 | Inflow element, especially for a combustion air flow path in a vehicle heater | Thomas Panterott, Robert Apfelbeck, Andreas Collmer, Frank Barthel | 2019-04-16 |