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Ching Hang LEUNG

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  • Hong Kong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifugal impeller for a blower
    • Patent number 10,072,669
    • Issue date Sep 11, 2018
    • Johnson Electric S.A.
    • Jun Feng Shen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air blower
    • Patent number 10,041,502
    • Issue date Aug 7, 2018
    • Johnson Electric S.A.
    • Xiao Hong Ye
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Blower
    • Patent number 10,001,144
    • Issue date Jun 19, 2018
    • Johnson Electric S.A.
    • Jun Feng Shen
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Permanent Magnet Motor and Home Appliance Having the Same
    • Publication number 20170346350
    • Publication date Nov 30, 2017
    • JOHNSON ELECTRIC S.A.
    • Xiao Ping LV
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRIC MOTOR AND ELECTRIC PUMP
    • Publication number 20160341202
    • Publication date Nov 24, 2016
    • JOHNSON ELECTRIC S.A.
    • Jie CHAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Air Blower
    • Publication number 20150308447
    • Publication date Oct 29, 2015
    • JOHNSON ELECTRIC S.A.
    • Xiao Hong YE
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    BLOWER
    • Publication number 20150204352
    • Publication date Jul 23, 2015
    • JOHNSON ELECTRIC S.A.
    • Jun Feng SHEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL IMPELLER FOR A BLOWER
    • Publication number 20150204344
    • Publication date Jul 23, 2015
    • JOHNSON ELECTRIC S.A.
    • Jun Feng SHEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BRUSH ROLL OF A VACUUM CLEANER
    • Publication number 20110203073
    • Publication date Aug 25, 2011
    • JOHNSON ELECTRIC S.A.
    • Ching Hang LEUNG
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...