Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12072118 | Method and device for operating a ventilation system for air in an indoor space | Uwe Haefner, Sascha Blauth | 2024-08-27 |
| 11746905 | Filter arrangement with a gel seal and use of such a filter arrangement as an interior air filter | Morfula Chirnside | 2023-09-05 |
| 11052342 | Pocket filter element | Felix Herberg, Hans Wiegand | 2021-07-06 |
| 9266050 | Filter cartridge | Karsten Schulz, Juergen Klaus, Juergen Becker | 2016-02-23 |