Helmut Roth

Person

  • Friedrichshafen, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Cooling device for an internal combustion engine

    • Patent number 4,116,171
    • Issue date Sep 26, 1978
    • Motoren- und Turbinen-Union Friedrichshafen GmbH
    • Robert Schulmeister
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES