Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508655 | Blower filter system | Björn Ehler, Stefan FREYHER | 2019-12-17 |
| 10190590 | Battery-operated blower filter system for use in potentially explosive areas | Björn Ehler, Mathias Dehmke, Andreas Sürig | 2019-01-29 |
| 10193588 | Head protection device, communication unit, connection unit and system comprising head protection device, communication unit and connection unit | Henning Ritter, Jan Schöning | 2019-01-29 |
| 10173084 | Gas mask | Dirk Feil, Werner Lange, Christoph Schmidt, Martin Weisgerber | 2019-01-08 |