Chi Keung Law

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Low-voltage direct current motor
- Patent number 10,218,230
- Issue date Feb 26, 2019
- JOHNSON ELECTRIC INTERNATIONAL AG
- Ming Cen Lu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Retainer for a rolling bearing
- Patent number 9,599,165
- Issue date Mar 21, 2017
- Johnson Electric S.A.
- Ming Cen Lu
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Electric motor
- Patent number 9,484,785
- Issue date Nov 1, 2016
- Johnson Electric S.A.
- Tao Fu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
LOW-VOLTAGE DIRECT CURRENT MOTOR
- Publication number 20190222075
- Publication date Jul 18, 2019
- Johnson Electric International AG
- Ming Cen LU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COMMUTATOR, MOTOR USING SAME AND METHOD OF MANUFACTURING THE COMMUT...
- Publication number 20170271832
- Publication date Sep 21, 2017
- JOHNSON ELECTRIC S.A.
- Jing Chao ZHENG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
LOW-VOLTAGE DIRECT CURRENT MOTOR
- Publication number 20160372981
- Publication date Dec 22, 2016
- JOHNSON ELECTRIC S.A.
- Ming Cen LU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
RETAINER FOR A ROLLING BEARING
- Publication number 20160032980
- Publication date Feb 4, 2016
- JOHNSON ELECTRIC S.A.
- MING CEN LU
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Carbon Product
- Publication number 20150284251
- Publication date Oct 8, 2015
- JOHNSON ELECTRIC S.A.
- Jing Chao ZHENG
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRIC MOTOR
- Publication number 20120175979
- Publication date Jul 12, 2012
- Tao Fu
- H01 - BASIC ELECTRIC ELEMENTS