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Frank Hartmann

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  • Steinfurt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filtering device for highly viscous fluids
    • Patent number 9,364,778
    • Issue date Jun 14, 2016
    • Kreyenborg Verwaltungen und Beteiligungen GmbH & Co. KG
    • Frank Hartmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Screen changer
    • Patent number 8,640,881
    • Issue date Feb 4, 2014
    • Kreyenborg GmbH
    • Frank Hartmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Device for filtering polymer melts
    • Patent number 8,622,221
    • Issue date Jan 7, 2014
    • Kreyenborg GmbH
    • Frank Hartmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    FILTERING DEVICE FOR THE LARGE-AREA FILTRATION OF FLUIDS
    • Publication number 20150048016
    • Publication date Feb 19, 2015
    • Nordson Holdings S.a.r.l. & Co. KG
    • Frank Hartmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTERING DEVICE FOR HIGHLY VISCOUS FLUIDS
    • Publication number 20140197092
    • Publication date Jul 17, 2014
    • Kreyenborg Verwaltungen und Beteiligungen GmbH & Co. KG
    • Frank Hartmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    FILTERING DEVICE FOR HIGHLY VISCOUS MEDIA
    • Publication number 20130087498
    • Publication date Apr 11, 2013
    • Kreyenborg Verwaltungen und Beteligungen GmbH & Co., KG
    • Stefan Wostmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    DEVICE FOR FILTERING POLYMER MELTS
    • Publication number 20100270229
    • Publication date Oct 28, 2010
    • KREYENBORG BETEILIGUNGEN UND VERWAL TUNGEN GmbH & CO. KG
    • FRANK HARTMANN
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Screen Changer
    • Publication number 20090134076
    • Publication date May 28, 2009
    • Kreyenborg Verwaltung und Beteiligungen GmbH & Co. KG
    • Frank Hartmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL