Herbert Alf

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Ludwigsburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Device for controlling the intake air temperature of a mixture-comp...
- Patent number 4,565,176
- Issue date Jan 21, 1986
- Filterwerk Mann & Hummel GmbH
- Herbert Alf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Device for controlling the intake air temperature of a carburetor-e...
- Patent number 4,231,343
- Issue date Nov 4, 1980
- Filterwerke Mann & Hummel GmbH
- Herbert Alf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Filter dust ejector and check valve arrangement in exhaust system o...
- Patent number 4,178,760
- Issue date Dec 18, 1979
- Filterwerk Mann & Hummel GmbH
- Herbert Alf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS