Achim Freitag

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Wolfenbuttel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Internal combustion engine with an exhaust-gas recirculation and me...
- Patent number 8,555,864
- Issue date Oct 15, 2013
- Volkswagen Aktiengesellschaft
- Hans-Georg Nitzke
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Internal combustion engine with an exhaust-gas recirculation and me...
- Patent number 8,091,535
- Issue date Jan 10, 2012
- Volkswagen Aktiengesellschaft
- Hans-Georg Nitzke
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Exhaust-gas recirculation device and method for operating an exhaus...
- Patent number 7,520,273
- Issue date Apr 21, 2009
- Volkswagen AG
- Achim Freitag
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
Internal combustion engine with an exhaust-gas recirculation and me...
- Publication number 20120060499
- Publication date Mar 15, 2012
- Volkswagen Aktiengesellschaft
- Hans-Georg Nitzke
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Internal combustion engine with an exhaust-gas recirculation and me...
- Publication number 20090277431
- Publication date Nov 12, 2009
- Volkswagen Aktiengesellschaft
- Hans-Georg Nitzke
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Catalytic Converter Configuration and Method for Desulfurizing a NO...
- Publication number 20080041038
- Publication date Feb 21, 2008
- Volkswagen AG
- Achim Freitag
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Exhaust-gas recirculation device and method for operating an exhaus...
- Publication number 20070214771
- Publication date Sep 20, 2007
- Volkswagen AG
- Achim Freitag
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...