Ralf HELDMANN

Person

  • Wald-Michelbach, DE

Patents Grantslast 30 patents

  • Information Patent Grant

    Plug-in piece

    • Patent number 9,388,921
    • Issue date Jul 12, 2016
    • Carl Freudenberg KG
    • Hans Unger
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal and associated sealing arrangement

    • Patent number 9,016,698
    • Issue date Apr 28, 2015
    • Carl Freudenberg KG
    • Thomas Jäck
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    BUSBAR AND ARRANGEMENT COMPRISING SUCH A BUSBAR

    • Publication number 20220278518
    • Publication date Sep 1, 2022
    • Carl Freudenberg KG
    • Rouven Ratfisch
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Seal

    • Publication number 20150152754
    • Publication date Jun 4, 2015
    • Carl Freudenberg KG
    • Ralf HELDMANN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Plug-In Piece

    • Publication number 20140091532
    • Publication date Apr 3, 2014
    • Carl Freudenberg KG
    • Hans UNGER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Plug-In Piece

    • Publication number 20140091533
    • Publication date Apr 3, 2014
    • Carl Freudenberg KG
    • Hans UNGER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Seal and Associated Sealing Arrangement

    • Publication number 20130038028
    • Publication date Feb 14, 2013
    • Carl Freudenberg KG
    • Thomas Jäck
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS