Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11660417 | Nonreturn valve for a compact ventilation system as well as compact ventilation system | Ludger Tappehorn, Thorsten DUNKEL, Andreas Junk | 2023-05-30 |
| D727461 | Water filter device and housing | Meinhard Braedel | 2015-04-21 |
| 8919368 | Self-locking T-piece | Gerd Wotha, David Michael Samways | 2014-12-30 |
| 8739778 | Breathing tube connecting device | Ludger Tappehorn, Olaf Schermeier, Gerd Wotha | 2014-06-03 |
| 8316845 | Device for releasing breathing gas | Ludger Tappehorn | 2012-11-27 |