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Ralf Herrmann

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  • Sachsenheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Internal combustion engine with a system for secondary air charging...
    • Patent number 8,087,244
    • Issue date Jan 3, 2012
    • MANN+HUMMEL GMBH
    • Karl-Ernst Hummel
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Resistance heater
    • Patent number 7,305,178
    • Issue date Dec 4, 2007
    • Mann & Hummel GmbH
    • Thomas Haubold
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

  • Information Patent Application

    Internal Combustion Engine with a System for Secondary Air Charging...
    • Publication number 20080209888
    • Publication date Sep 4, 2008
    • Mann + Hummel GmbH
    • Karl-Ernst Hummel
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Resistance heater
    • Publication number 20060098964
    • Publication date May 11, 2006
    • Mann & Hummel GmbH
    • Thomas Haubold
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Liquid filter
    • Publication number 20060070956
    • Publication date Apr 6, 2006
    • Mann & Hummel GmbH
    • Ralf Herrmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL