Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11826693 | Utilization of nitrogen oxides from ambient air | Hagen Seifert, Alexander Krajete | 2023-11-28 |
| 11156139 | Method and device for purifying exhaust gas | Roland Heigl, Alexander Krajete, Arne Seifert, Hagen Seifert | 2021-10-26 |
| 10919769 | Utilization of pollutants from internal combustion engines | Hagen Seifert, Roland Heigl, Alexander Krajete, Arne Seifert | 2021-02-16 |
| 10507424 | Device for cleaning air laden with CO2 | Roland Heigl, Hagen Seifert, Alexander Krajete, Arne Seifert | 2019-12-17 |