Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10905902 | Blower filter device, respirator system and method | Björn Ehler, Achim Volmer | 2021-02-02 |
| 10537753 | Blower filter system | Mathias Dehmke, Björn Ehler, Achim Volmer | 2020-01-21 |
| 8931482 | Breathing apparatus with compensation of the ambient pressure | Hans-Ullrich HANSMANN, Björn Petersen, Sandra Dankertt, Lutz Rüffert, Marcus Romba | 2015-01-13 |