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Martin Heldmann

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  • Lindenfels, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing element
    • Patent number 11,560,949
    • Issue date Jan 24, 2023
    • Carl Freudenberg KG
    • Guenter Hintenlang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing ring and seal arrangement comprising such a sealing ring
    • Patent number 11,131,387
    • Issue date Sep 28, 2021
    • Carl Freudenberg KG
    • Martin Heldmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing element
    • Patent number 11,073,210
    • Issue date Jul 27, 2021
    • Carl Freudenberg KG
    • Guenter Hintenlang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mounting device for a sealing ring
    • Patent number 10,029,356
    • Issue date Jul 24, 2018
    • Carl Freudenberg KG
    • Francois Colineau
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Mounting guard ring
    • Patent number 8,910,948
    • Issue date Dec 16, 2014
    • Carl Freudenberg KG
    • Martin Heldmann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Mounting guard ring
    • Patent number 8,474,828
    • Issue date Jul 2, 2013
    • Carl Freudenberg KG
    • Martin Heldmann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Mounting guard ring
    • Patent number 8,292,302
    • Issue date Oct 23, 2012
    • Carl Freudenberg KG
    • Martin Heldmann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Mounting guard ring
    • Patent number 7,651,102
    • Issue date Jan 26, 2010
    • Carl Freudenberg KG
    • Martin Heldmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mounting guard ring
    • Patent number 7,284,759
    • Issue date Oct 23, 2007
    • Carl Freudenberg KG
    • Martin Heldmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Axial shaft seal
    • Patent number 7,017,913
    • Issue date Mar 28, 2006
    • Carl Freudenberg KG
    • Thomas Klenk
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    SEALING ELEMENT
    • Publication number 20200103028
    • Publication date Apr 2, 2020
    • Carl Freudenberg KG
    • Guenter HINTENLANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING ELEMENT
    • Publication number 20200103029
    • Publication date Apr 2, 2020
    • Carl Freudenberg KG
    • Guenter HINTENLANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING RING AND SEAL ARRANGEMENT COMPRISING SUCH A SEALING RING
    • Publication number 20190170255
    • Publication date Jun 6, 2019
    • Carl Freudenberg KG
    • Martin Heldmann
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MOUNTING DEVICE FOR A SEALING RING
    • Publication number 20160151896
    • Publication date Jun 2, 2016
    • Carl Freudenberg KG
    • Francois Colineau
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Mounting Guard Ring
    • Publication number 20130256995
    • Publication date Oct 3, 2013
    • Martin Heldmann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Mounting Guard Ring
    • Publication number 20120228834
    • Publication date Sep 13, 2012
    • Carl Freudenberg KG
    • Martin Heldmann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    MOUNTING GUARD RING
    • Publication number 20100084417
    • Publication date Apr 8, 2010
    • Carl Freudenberg KG
    • Martin Heldmann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Mounting guard ring
    • Publication number 20050258181
    • Publication date Nov 24, 2005
    • Martin Heldmann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Mounting guard ring
    • Publication number 20050109889
    • Publication date May 26, 2005
    • Martin Heldmann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Axial shaft seal
    • Publication number 20040070151
    • Publication date Apr 15, 2004
    • Carl Freudenberg KG
    • Thomas Klenk
    • G01 - MEASURING TESTING