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Patents Grantslast 30 patents

Information Patent Grant
Spark plug for an internal combustion engine, having a pilot breakd...
- Patent number 4,636,690
- Issue date Jan 13, 1987
- Robert Bosch GmbH
- Werner Herden
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Spark plug with capacitor spark discharge
- Patent number 4,613,789
- Issue date Sep 23, 1986
- Robert Bosch GmbH
- Werner Herden
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Spark plug for externally ignited internal combustion engine
- Patent number 4,549,114
- Issue date Oct 22, 1985
- Werner Herden
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
2881587
- Patent number 2,881,587
- Issue date Apr 14, 1959
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
2519776
- Patent number 2,519,776
- Issue date Aug 22, 1950
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
2475994
- Patent number 2,475,994
- Issue date Jul 12, 1949
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
2475995
- Patent number 2,475,995
- Issue date Jul 12, 1949
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS