Gerhard Holfelder

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Weissach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Printing paste and method of applying said paste
- Patent number 5,009,708
- Issue date Apr 23, 1991
- Robert Bosch GmbH
- Werner Grunwald
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Electrochemical oxygen sensor, particularly for analysis of combust...
- Patent number 4,502,939
- Issue date Mar 5, 1985
- Robert Bosch GmbH
- Gerhard Holfelder
- G01 - MEASURING TESTING
Information Patent Grant
Glow plug, particularly for diesel engine
- Patent number 4,418,661
- Issue date Dec 6, 1983
- Robert Bosch GmbH
- Friedrich Esper
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Combination gas oxygen concentration and combustion light sensor
- Patent number 4,419,212
- Issue date Dec 6, 1983
- Robert Bosch GmbH
- Hermann Dietz
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method to render accessible an electrical contact region of a compo...
- Patent number 4,356,628
- Issue date Nov 2, 1982
- Robert Bosch GmbH
- Klaus Muller
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrochemical oxygen sensor, particularly for use with exhaust ga...
- Patent number 4,334,974
- Issue date Jun 15, 1982
- Robert Bosch GmbH
- Klaus Muller
- G01 - MEASURING TESTING