Yuen Tung Louie

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Thrust bearing assembly
- Patent number 9,337,703
- Issue date May 10, 2016
- Johnson Electric S.A.
- James Ching Sik Lau
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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
Power tool
- Patent number 8,418,780
- Issue date Apr 16, 2013
- Johnson Electric S.A.
- James Ching Sik Lau
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

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
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 20090145621
- Publication date Jun 11, 2009
- James Ching Sik LAU
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS