Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10525291 | Connection module, maintenance device and method for maintaining a closed-circuit breathing apparatus | Hermann HOPERMANN, Jürgen Unger, Mohamed Houssem HARBI | 2020-01-07 |
| 8931482 | Breathing apparatus with compensation of the ambient pressure | Hans-Ullrich HANSMANN, Björn Petersen, Thomas Pernot, Sandra Dankertt, Lutz Rüffert | 2015-01-13 |
| D637621 | Vehicle filter | Christoph Schmidt | 2011-05-10 |