Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156139 | Method and device for purifying exhaust gas | Simone Müller-Hellwig, Alexander Krajete, Arne Seifert, Hagen Seifert | 2021-10-26 |
| 10919769 | Utilization of pollutants from internal combustion engines | Simone Müller-Hellwig, Hagen Seifert, Alexander Krajete, Arne Seifert | 2021-02-16 |
| 10507424 | Device for cleaning air laden with CO2 | Simone Müller-Hellwig, Hagen Seifert, Alexander Krajete, Arne Seifert | 2019-12-17 |