TREA

Duncan Yiu Lung Wong

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  • Hong Kong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Brush gear of a motor
    • Patent number 8,294,328
    • Issue date Oct 23, 2012
    • Johnson Electric S.A.
    • James Ching Sik Lau
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric motor
    • Patent number 8,049,391
    • Issue date Nov 1, 2011
    • Johnson Electric S.A.
    • James Ching Sik Lau
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric motor
    • Patent number D579869
    • Issue date Nov 4, 2008
    • Johnson Electric S.A.
    • James Ching Sik Lau
    • D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents

  • Information Patent Application

    THRUST BEARING ASSEMBLY
    • Publication number 20120313471
    • Publication date Dec 13, 2012
    • James Ching Sik Lau
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    FUEL PUMP MOTOR
    • Publication number 20120219438
    • Publication date Aug 30, 2012
    • Chun Yick Chung
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC MOTOR
    • Publication number 20120194023
    • Publication date Aug 2, 2012
    • James Ching Sik LAU
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ELECTRIC MOTOR
    • Publication number 20120194022
    • Publication date Aug 2, 2012
    • James Ching Sik LAU
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRIC MOTOR
    • Publication number 20100225198
    • Publication date Sep 9, 2010
    • Johnson Electric S.A.
    • James Ching Sik LAU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRIC MOTOR
    • Publication number 20100176678
    • Publication date Jul 15, 2010
    • James Ching Sik LAU
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER TOOL
    • Publication number 20100071920
    • Publication date Mar 25, 2010
    • James Ching Sik LAU
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ELECTRIC MOTOR
    • Publication number 20100045135
    • Publication date Feb 25, 2010
    • James Ching Sik LAU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BRUSH GEAR OF A MOTOR
    • Publication number 20100045136
    • Publication date Feb 25, 2010
    • James Ching Sik LAU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    POWER TOOL
    • Publication number 20090245958
    • Publication date Oct 1, 2009
    • JOHNSON ELECTRIC S.A.
    • James Ching Sik LAU
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Lamination
    • Publication number 20080001496
    • Publication date Jan 3, 2008
    • Johnson Electric S.A.
    • James Ching Sik Lau
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER