Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12257390 | Mask adapter for connecting two breathing tubes of a closed-circuit respirator to a breathing mask | — | 2025-03-25 |
| 11583644 | Spring bridge for a spring bridge breathing bag plate system of a closed-circuit respirator, spring bridge breathing bag plate system as well as closed-circuit respirator | Matthias Düpjan, Sören KIRMSE | 2023-02-21 |
| 11338157 | Breathing bag for a closed-circuit respirator as well as closed-circuit respirator | — | 2022-05-24 |
| 11199273 | Directional valve, especially for breathing gases, and method for manufacturing same | Stefan Effmann | 2021-12-14 |
| 11160942 | Breathing bag, system comprising a breathing bag and a dispensing valve unit, closed-circuit respirator as well as process for mounting a system comprising a breathing bag and a dispensing valve unit in a closed-circuit respirator | — | 2021-11-02 |
| 10670158 | Directional valve, especially for breathing gases, and method for manufacturing same | Stefan Effmann | 2020-06-02 |
| 10519354 | Porous oil binder and method for the production thereof | Holger Unbehaun, Soren Tech, Swetlana Konig, Elena Safonova, Andre Wagenfuhr | 2019-12-31 |
| 9950200 | Respirator | Dirk Henf | 2018-04-24 |
| 9707418 | Respirator | Dirk Henf | 2017-07-18 |
| 8768536 | Method for determining the driving resistance of a vehicle | Jens Papajewski, Kostyantyn Bass | 2014-07-01 |
| 8615361 | Method for obtaining a speed profile | Jens Papajewski, Felix Toepler, Qi Hui Huang | 2013-12-24 |
| D666724 | Oxygen self rescuer | — | 2012-09-04 |
| 8251244 | Respirator | Dirk Henf | 2012-08-28 |