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Chang Lin Jin

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  • Shenzhen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power tool
    • Patent number 9,132,542
    • Issue date Sep 15, 2015
    • Johnson Electric S.A.
    • James Ching Sik Lau
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Brush design for electric motor having commutator
    • Patent number 8,648,515
    • Issue date Feb 11, 2014
    • Johnson Electric S.A.
    • James Ching Sik Lau
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric motor
    • Patent number 8,421,380
    • Issue date Apr 16, 2013
    • Johnson Electric S.A.
    • James Ching Sik Lau
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power tool with a DC brush motor and with a second power source
    • Patent number 8,415,911
    • Issue date Apr 9, 2013
    • Johnson Electric S.A.
    • James Ching Sik Lau
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • 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 and rotor therefor
    • Patent number 8,125,117
    • Issue date Feb 28, 2012
    • Johnson Electric S.A.
    • Jian Zhao
    • 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

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER TOOL
    • Publication number 20110012550
    • Publication date Jan 20, 2011
    • James Ching Sik LAU
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRIC MOTOR
    • Publication number 20110012549
    • Publication date Jan 20, 2011
    • 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

    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

    ELECTRIC MOTOR AND ROTOR THEREFOR
    • Publication number 20100013361
    • Publication date Jan 21, 2010
    • Jian ZHAO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • 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