Hagen Seifert

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Regensburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Utilization of nitrogen oxides from ambient air
- Patent number 11,826,693
- Issue date Nov 28, 2023
- Audi AG
- Simone Müller-Hellwig
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and device for purifying exhaust gas
- Patent number 11,156,139
- Issue date Oct 26, 2021
- Audi AG
- Simone Müller-Hellwig
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Utilization of pollutants from internal combustion engines
- Patent number 10,919,769
- Issue date Feb 16, 2021
- Audi AG
- Simone Müller-Hellwig
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Device for cleaning air laden with CO2
- Patent number 10,507,424
- Issue date Dec 17, 2019
- Audi AG
- Simone Müller-Hellwig
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
UTILIZATION OF NITROGEN OXIDES FROM AMBIENT AIR
- Publication number 20210252449
- Publication date Aug 19, 2021
- Audi AG
- Simone MÜLLER-HELLWIG
- C01 - INORGANIC CHEMISTRY
Information Patent Application
UTILIZATION OF POLLUTANTS FROM INTERNAL COMBUSTION ENGINES
- Publication number 20200198970
- Publication date Jun 25, 2020
- Audi AG
- Simone MÜLLER-HELLWIG
- C01 - INORGANIC CHEMISTRY
Information Patent Application
DEVICE FOR CLEANING AIR LADEN WITH CO2
- Publication number 20200009496
- Publication date Jan 9, 2020
- Audi AG
- Simone MÜLLER-HELLWIG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL