Hans Koehnle

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Schwieberdingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Exhaust-gas recirculation system for an internal combustion engine
- Patent number 5,209,212
- Issue date May 11, 1993
- Robert Bosch GmbH
- Walter Viess
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
High voltage ignition system monitoring circuit
- Patent number 5,027,073
- Issue date Jun 25, 1991
- Robert Bosch GmbH
- Ernst Kaller
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS