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Uwe Haefner

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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter element
    • Patent number 10,786,773
    • Issue date Sep 29, 2020
    • Carl Freudenberg KG
    • Regina Brack
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Filter medium for deactivating allergens
    • Patent number 10,315,146
    • Issue date Jun 11, 2019
    • Carl Freudenberg KG
    • Heiko Schacht
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Filter element with a guide duct that penetrates its pleated walls
    • Patent number 8,979,962
    • Issue date Mar 17, 2015
    • Carl Freudenberg KG
    • Uwe Haefner
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Filter element with guide shaft
    • Patent number 8,747,507
    • Issue date Jun 10, 2014
    • Carl Freudenberg KG
    • Uwe Haefner
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

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    • Patent number 7,503,954
    • Issue date Mar 17, 2009
    • Carl Freudenberg KG
    • Uwe Haefner
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    FILTER MEDIUM FOR DEACTIVATING PATHOGENS AND/OR ALLERGENS
    • Publication number 20220152533
    • Publication date May 19, 2022
    • Carl Freudenberg KG
    • Ulrich Stahl
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ANTIVIRAL FILTER MEDIUM
    • Publication number 20220008854
    • Publication date Jan 13, 2022
    • Carl Freudenberg KG
    • Uwe Haefner
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER MEDIUM COMPRISING ANTIALLERGENIC SUBSTANCES
    • Publication number 20210213379
    • Publication date Jul 15, 2021
    • Carl Freudenberg KG
    • Ilker Uenen
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    FILTER ELEMENT
    • Publication number 20180154298
    • Publication date Jun 7, 2018
    • Carl Freudenberg KG
    • Regina Brack
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    FILTER MEDIUM FOR DEACTIVATING ALLERGENS
    • Publication number 20170120178
    • Publication date May 4, 2017
    • Carl Freudenberg KG
    • Heiko Schacht
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    FILTER ELEMENT WITH A GUIDE DUCT THAT PENETRATES ITS PLEATED WALLS
    • Publication number 20130068103
    • Publication date Mar 21, 2013
    • Carl Freudenberg KG
    • Uwe HAEFNER
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER ELEMENT WITH GUIDE SHAFT
    • Publication number 20120324851
    • Publication date Dec 27, 2012
    • Carl Freudenberg KG
    • Uwe HAEFNER
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Filter element
    • Publication number 20060000197
    • Publication date Jan 5, 2006
    • Carl Freudenberg KG
    • Uwe Haefner
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL