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Holger Fries

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Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustment system for a rotary valve
    • Patent number 10,024,456
    • Issue date Jul 17, 2018
    • Volkswagen Aktiengesellschaft
    • Ralf Lueders
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Adjustment System for a Rotary Valve
    • Publication number 20160341331
    • Publication date Nov 24, 2016
    • Volkswagen Aktiengesellschaft
    • Ralf Lueders
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES