Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10441829 | Pulling element for pulling a closing element out of a filter of an escape filter device, escape filter devices, escape filter device system and method for mounting an escape filter device system | Simon VOGT, Rüdiger Müller, Joachim Radicke | 2019-10-15 |
| 9808657 | Directional valve and breathing mask with a directional valve | Dennis Leske, Harald Heyer, Thomas Pancur | 2017-11-07 |
| 9492691 | Directional valve and respirator product with a directional valve | Dennis Leske, Harald Heyer, Thomas Pancur | 2016-11-15 |
| D730048 | Housing for breathing masks | Rüdiger Müller, Suzanne Mary Johnson, Lennart Wenzel | 2015-05-26 |
| D728234 | Housing for breathing masks | Rüdiger Müller, Suzanne Mary Johnson, Lennart Wenzel | 2015-05-05 |
| 8646341 | Filtration system for gas analysis | Armin Schulten, Benjamin BRANDENBURG | 2014-02-11 |
| 8230860 | Filter for a breathing device | Sandra DANKERT, Dirk Feil | 2012-07-31 |
| 7770240 | Safety helmet with a breathing mask | Manfred Gdulla, Dirk Feil, Siegbert Tolk | 2010-08-10 |
| 7533914 | Carrying system for a respirator product | Arnd Kausch, Dirk Feil | 2009-05-19 |
| 6305370 | Voice transmitter for a breathing protective mask | Manfred Gdulla | 2001-10-23 |