Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11660417 | Nonreturn valve for a compact ventilation system as well as compact ventilation system | Ludger Tappehorn, Klaus Abraham, Andreas Junk | 2023-05-30 |
| 10406314 | Exhalation valve, inhalation valve, ventilator and method for controlling ventilation | Andreas Junk | 2019-09-10 |