TREA

Andreas Schrüfer

Follow

Person

  • Wolfratshausen, DE
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Gas-lubricated mechanical seal having improved soiling protection
    • Patent number 11,255,440
    • Issue date Feb 22, 2022
    • EagleBurgmann Germany GmbH & Co. KG
    • Ferdinand Werdecker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mechanical seal arrangement with minimal leakage
    • Patent number 11,028,926
    • Issue date Jun 8, 2021
    • EagleBurgmann Germany GmbH & Co. KG
    • Joachim Otschik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanical seal arrangement having sliding surfaces of different ha...
    • Patent number 9,841,107
    • Issue date Dec 12, 2017
    • EagleBurgmann Germany GmbH & Co. KG
    • Joachim Otschik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Low-friction seal ring with inexpensive diamond coating
    • Patent number 9,010,762
    • Issue date Apr 21, 2015
    • EagleBurgmann Germany GmbH & Co. KG
    • Joachim Otschik
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Slide ring seal arrangement
    • Patent number 8,523,186
    • Issue date Sep 3, 2013
    • EagleBurgmann Germany GmbH & Co. KG
    • Andreas Schrüfer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Apparatus for rotationally fixing a seal ring of a mechanical seal...
    • Patent number 8,191,899
    • Issue date Jun 5, 2012
    • Eagleburgmann Germany GmbH & Co., KG
    • Peter Droscher
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanical seal assembly
    • Patent number 7,862,046
    • Issue date Jan 4, 2011
    • EagleBurgmann Germany GmbH & Co. KG
    • Günther Lederer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Secondary sealing element
    • Patent number 7,240,904
    • Issue date Jul 10, 2007
    • Burgmann Industries GmbH & Co. KG
    • Peter Dröscher
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mechanical face seal assembly
    • Patent number 5,909,878
    • Issue date Jun 8, 1999
    • Feodor Burgmann Dichtungswerke GmbH & Co.
    • Andreas Schrufer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    GAS-LUBRICATED MECHANICAL SEAL HAVING IMPROVED SOILING PROTECTION
    • Publication number 20200278030
    • Publication date Sep 3, 2020
    • EagleBurgmann Germany GmbH & Co. KG
    • Ferdinand Werdecker
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MECHANICAL SEAL ARRANGMENT WITH MINIMAL LEAKAGE
    • Publication number 20190383397
    • Publication date Dec 19, 2019
    • EagleBurgmann Germany GmbH & Co. KG
    • Joachim Otschik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MECHANICAL SEAL ARRANGEMENT HAVING SLIDING SURFACES OF DIFFERENT HA...
    • Publication number 20160053895
    • Publication date Feb 25, 2016
    • EagleBurgmann Germany GmbH & Co. KG
    • Joachim Otschik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MECHANICAL SEAL ARRANGEMENT HAVING AN IMPROVED SECONDARY SEAL
    • Publication number 20150369369
    • Publication date Dec 24, 2015
    • Joachim Otschik
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    LOW-FRICTION SEAL RING WITH INEXPENSIVE DIAMOND COATING
    • Publication number 20130313785
    • Publication date Nov 28, 2013
    • EagleBurgmann Germany GmbH & Co. KG
    • Joachim Otschik
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    SLIDING RING WITH IMPROVED RUN-IN PROPERTIES
    • Publication number 20130168928
    • Publication date Jul 4, 2013
    • EagleBurgmann Germany GmbH & Co. KG
    • Andreas Schrüfer
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    SLIDE RING SEAL ARRANGEMENT
    • Publication number 20110042903
    • Publication date Feb 24, 2011
    • BURGMANN INDUSTRIES GMBH & CO. KG
    • Andreas Schrüfer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEAL RING OF A MECHANICAL SEAL ASSEMBLY
    • Publication number 20100259011
    • Publication date Oct 14, 2010
    • Joachim Otschik
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Apparatus for rotationally fixing a seal ring of a mechanical seal...
    • Publication number 20090152818
    • Publication date Jun 18, 2009
    • BURGMANN INDUSTRIES GMBH & CO. KG
    • Peter Droscher
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Mechanical seal assembly
    • Publication number 20090134584
    • Publication date May 28, 2009
    • BURGMANN INDUSTRIES GMBH & CO. KG
    • Gunther Lederer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Slide ring seal assembly
    • Publication number 20060232015
    • Publication date Oct 19, 2006
    • Günther Lederer
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Secondary sealing element
    • Publication number 20060103074
    • Publication date May 18, 2006
    • Peter Droscher
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...