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Rudiger Lennartz

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  • Pulheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Back-wash filter
    • Patent number 7,250,109
    • Issue date Jul 31, 2007
    • Boll & Kirch Filterbau GmbH
    • Rudiger Lennartz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Backflush filter, in particular for filtering lubricant oil
    • Patent number 6,890,434
    • Issue date May 10, 2005
    • Boll & Kirch Filterbau GmbH
    • Willi Rott
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Precoated filter for the filtration of flowing media
    • Patent number 6,872,310
    • Issue date Mar 29, 2005
    • Boll & Kirch Filderbzu GmbH
    • Birgit Trotzki
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Helical spring apparatus and process for detaching filter cake
    • Patent number 4,804,481
    • Issue date Feb 14, 1989
    • Boll & Kirch Filterbau GmbH
    • Rudiger Lennartz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Flush-back filter
    • Patent number 4,518,501
    • Issue date May 21, 1985
    • Firma Boll & Kirch, Filterbau GmbH
    • Rudiger Lennartz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Tubular filter apparatus
    • Patent number 4,517,086
    • Issue date May 14, 1985
    • Bergwerksverband
    • Ingo Romey
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Flush-back filter
    • Patent number 4,415,448
    • Issue date Nov 15, 1983
    • Boll & Kirch Filterbau GmbH
    • Rudiger Lennartz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Alluvial filter candle apparatus and a method of cleaning the same
    • Patent number 4,265,771
    • Issue date May 5, 1981
    • Bergwerksverband GmbH
    • Rudiger Lennartz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Flush-back filter
    • Patent number 4,256,583
    • Issue date Mar 17, 1981
    • Boll & Kirch Filterbau GmbH
    • Rudiger Lennartz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Back-wash filter
    • Publication number 20040245160
    • Publication date Dec 9, 2004
    • Rudiger Lennartz
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Backflush filter, in particular for filtering lubricant oil
    • Publication number 20030136715
    • Publication date Jul 24, 2003
    • Willi Rott
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Elutriation filter
    • Publication number 20020158002
    • Publication date Oct 31, 2002
    • Birgit Trotzki
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL