Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10958084 | Cascadable multi-charger and method for the operation thereof | Achim Volmer, Martin Schulze, Jan Schöning | 2021-03-23 |
| 10905902 | Blower filter device, respirator system and method | Thomas Pernot, Achim Volmer | 2021-02-02 |
| 10625103 | Blower filter respirator system | Achim Volmer, Martin Schulze | 2020-04-21 |
| 10537753 | Blower filter system | Mathias Dehmke, Thomas Pernot, Achim Volmer | 2020-01-21 |
| 10508655 | Blower filter system | Achim Volmer, Stefan FREYHER | 2019-12-17 |
| 10190590 | Battery-operated blower filter system for use in potentially explosive areas | Achim Volmer, Mathias Dehmke, Andreas Sürig | 2019-01-29 |
| 9950197 | Blower filter device | Achim Volmer, Olaf Balke | 2018-04-24 |
| 7988452 | Test head for protective mask testing and test head system | Roland Eiwen | 2011-08-02 |