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Xiaoqing Zheng

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  • East Greenwich, RI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydrodynamic magnetic seal
    • Patent number 8,474,826
    • Issue date Jul 2, 2013
    • Eaton Corporation
    • Michel Laurent Villeneuve
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Magnetically-controlled rotary seal
    • Patent number 8,038,155
    • Issue date Oct 18, 2011
    • Eaton Corporation
    • Xiaoqing Zheng
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thermally-activated control gap brush seal
    • Patent number 7,967,297
    • Issue date Jun 28, 2011
    • Eaton Corporation
    • Xiaoqing Zheng
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Segmented seal portion and assembly
    • Patent number 7,770,895
    • Issue date Aug 10, 2010
    • Eaton Corporation
    • Xiaoqing Zheng
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary face seal assembly
    • Patent number 7,044,470
    • Issue date May 16, 2006
    • PerkinElmer, Inc.
    • Xiaoqing Zheng
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    HYBRID MULTISTAGE BRUSH SEAL
    • Publication number 20100164177
    • Publication date Jul 1, 2010
    • EATON CORPORATION
    • Xiaoqing Zheng
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    SEGMENTED SEAL PORTION AND ASSEMBLY
    • Publication number 20080272552
    • Publication date Nov 6, 2008
    • EATON CORPORATION
    • Xiaoqing Zheng
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    THERMALLY-ACTIVATED CONTROL GAP BRUSH SEAL
    • Publication number 20080224414
    • Publication date Sep 18, 2008
    • EATON CORPORATION
    • Xiaoqing Zheng
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MAGNETICALLY-CONTROLLED ROTARY SEAL
    • Publication number 20080042364
    • Publication date Feb 21, 2008
    • EATON CORPORATION
    • Xiaoqing Zheng
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Hydrodynamic magnetic seal
    • Publication number 20060244221
    • Publication date Nov 2, 2006
    • Michel Laurent Villeneuve
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Brush seal with spiral groove back plate
    • Publication number 20060214378
    • Publication date Sep 28, 2006
    • Xiaoqing Zheng
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Rotary face seal assembly
    • Publication number 20020014743
    • Publication date Feb 7, 2002
    • Xiaoqing Zheng
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...