Helmut Bonfert

Follow

Person

Boblingen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Liquid-cooled four-valve cylinder head for a multi-cylinder interna...
- Patent number 4,957,068
- Issue date Sep 18, 1990
- Daimler-Benz AG
- Wolf-Dietrich Wagner
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Sealing passage arrangement for a pipeline
- Patent number 4,919,371
- Issue date Apr 24, 1990
- Daimler-Benz AG
- Helmut Bonfert
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS