Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11547879 | Gas mask | Jan MUSOW, Benedikt Spiegel | 2023-01-10 |
| 10765894 | Head protection device and respirator device | Martin Rademacher, Katja FRANKE | 2020-09-08 |
| 10052504 | System as well as process for transmitting data and/or device-specific parameters between a blower filter device of a blower filter system and a computer | Achim Volmer, Mirco FRÖSCH | 2018-08-21 |
| 9950197 | Blower filter device | Achim Volmer, Björn Ehler | 2018-04-24 |
| 9839798 | Safety hood with a visor size-independent fastening on the head strap | Katja FRANKE, Martin Rademacher | 2017-12-12 |
| 7770581 | Breathing mask | Manfred Gdulla, Siegbert Tolk | 2010-08-10 |
| 7575004 | Gas mask for normal pressure operation and overpressure operation | Rüdiger Weich, Thomas Grassl, Rüdiger Müller, Manfred Gdulla, Siegbert Tolk | 2009-08-18 |
| 6145770 | Friction coupling for the torque-limiting transmission of force between a coil core for winding or unwinding a tape and a rotary support | Christoph Manusch, Wulf Herrmannsen | 2000-11-14 |
| 6105650 | Hand-operated instrument for transferring a film from a support sheet to a substrate | Christoph Manusch, Wulf Herrmannsen | 2000-08-22 |