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Istvan Geiger
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Brunswick, DE
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last 30 patents
Information
Patent Grant
Method and arrangement for controlling exhaust emissions from an in...
Patent number
5,950,420
Issue date
Sep 14, 1999
Volkswagen AG
Istvan Geiger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method for obtaining trigger signals to regulate energy conversion...
Patent number
5,544,636
Issue date
Aug 13, 1996
Volkswagen AG
Istvan Geiger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Catalytic cleaning arrangement for exhaust from an internal combust...
Patent number
5,250,268
Issue date
Oct 5, 1993
Volkswagen AG
Istvan Geiger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and apparatus for monitoring the conversion ratio of a catal...
Patent number
5,133,184
Issue date
Jul 28, 1992
Volkswagen AG
Istvan Geiger
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Apparatus for the feedback of exhaust gases in an internal combusti...
Patent number
4,895,125
Issue date
Jan 23, 1990
Volkswagen Aktiengesellschaft
Istvan Geiger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and arrangement for combustion chamber identification in an...
Patent number
4,616,617
Issue date
Oct 14, 1986
Volkswagenwerk Aktiengesellschaft
Istvan Geiger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and system for operation of a spark-ignited internal combust...
Patent number
4,351,281
Issue date
Sep 28, 1982
Volkswagenwerk Aktiengesellschaft
Istvan Geiger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method for operation of a spark-ignited internal combustion engine...
Patent number
4,344,397
Issue date
Aug 17, 1982
Volkswagenwerk Aktiengesellschaft
Istvan Geiger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and apparatus for controlling the idling operation of a spar...
Patent number
4,338,899
Issue date
Jul 13, 1982
Volkswagenwerk Aktiengesellschaft
Istvan Geiger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and apparatus for controlling the operation of an internal c...
Patent number
4,261,315
Issue date
Apr 14, 1981
Volkswagenwerk Aktiengesellschaft
Istvan Geiger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Apparatus for diverting an exhaust stream
Patent number
4,155,339
Issue date
May 22, 1979
Volkswagenwerk Aktiengesellschaft
Istvan Geiger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Valved apparatus for diverting an exhaust stream
Patent number
4,155,338
Issue date
May 22, 1979
Volkswagenwerk Aktiengesellschaft
Istvan Geiger
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS