Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11125250 | Fan device and use of such a fan device | Hans-Peter Krack, Bernd Maier | 2021-09-21 |
| 10550847 | Mixed-flow or diagonal ventilating fan with consistent cooling | — | 2020-02-04 |
| 9139118 | Ventilating device | — | 2015-09-22 |