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Shenzhen, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Control method for soft switch circuit in switch power source
Patent number
8,699,253
Issue date
Apr 15, 2014
Liebert Corporation
Chuntao Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Control method for soft switch circuit in switch power supply
Patent number
8,416,592
Issue date
Apr 9, 2013
Liebert Corporation
Chuntao Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Driving circuit of switch device
Patent number
8,063,671
Issue date
Nov 22, 2011
Liebert Corporation
Xueli Xiao
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Adaptive capacity power supply
Patent number
7,992,013
Issue date
Aug 2, 2011
Liebert Corporation
John S. Fuchik
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
CONTROL METHOD FOR SOFT SWITCH CIRCUIT IN SWITCH POWER SOURCE
Publication number
20110278953
Publication date
Nov 17, 2011
LIEBERT CORPORATION
Chuntao Zhang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
CONTROL METHOD FOR SOFT SWITCH CIRCUIT IN SWITCH POWER SUPPLY
Publication number
20100315152
Publication date
Dec 16, 2010
LIEBERT CORPORATION
Chuntao Zhang
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
DRIVING CIRCUIT OF SWITCH DEVICE
Publication number
20100213988
Publication date
Aug 26, 2010
LIEBERT CORPORATION
Xueli Xiao
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ADAPTIVE CAPACITY POWER SUPPLY
Publication number
20090126008
Publication date
May 14, 2009
LIEBERT CORPORATION
John S. FUCHIK
G06 - COMPUTING CALCULATING COUNTING