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Yueqing City, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Leakage current detection interrupter with fire protection means
Patent number
8,154,831
Issue date
Apr 10, 2012
General Protecht Group, Inc.
Fu Wang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Locking mechanism for protecting a ground fault circuit interrupter...
Patent number
7,978,032
Issue date
Jul 12, 2011
General Protecht Group, Inc.
Wusheng Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Self fault-detection circuit for ground fault circuit interrupter
Patent number
7,944,653
Issue date
May 17, 2011
General Protecht Group, Inc.
Wusheng Chen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Leakage current detection interrupter with fire protection means
Patent number
7,889,464
Issue date
Feb 15, 2011
General Protecht Group, Inc.
Wusheng Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Intelligent life testing methods and apparatus for leakage current...
Patent number
7,592,924
Issue date
Sep 22, 2009
General Protecht Group, Inc.
Feng Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Intelligent life testing methods and apparatus for leakage current...
Patent number
7,525,441
Issue date
Apr 28, 2009
General Protecht Group, Inc.
Feng Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus and methods for testing the life of a leakage current pro...
Patent number
7,522,064
Issue date
Apr 21, 2009
General Protecht Group, Inc.
Feng Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Movement mechanism for a ground fault circuit interrupter with auto...
Patent number
7,515,024
Issue date
Apr 7, 2009
General Protecht Group, Inc.
Wusheng Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Intelligent life testing methods and apparatus for leakage current...
Patent number
7,492,559
Issue date
Feb 17, 2009
General Protech Group, Inc.
Feng Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Intelligent life testing methods and apparatus for leakage current...
Patent number
7,268,559
Issue date
Sep 11, 2007
General Protecht Group, Inc.
Wusheng Chen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Reverse wiring protection device for ground fault circuit interrupter
Patent number
6,867,954
Issue date
Mar 15, 2005
Zhejiang Dongzheng Electrical Co., Ltd.
Zhixin Wu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
LEAKAGE CURRENT DETECTION INTERRUPTER WITH FIRE PROTECTION MEANS
Publication number
20100046128
Publication date
Feb 25, 2010
General Protecht Group, Inc.
Fu Wang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LOCKING MECHANISM FOR PROTECTING A GROUND FAULT CIRCUIT INTERRUPTER...
Publication number
20090315652
Publication date
Dec 24, 2009
General Protecht Group, Inc.
Wusheng Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SELF FAULT-DETECTION CIRCUIT FOR GROUND FAULT CIRCUIT INTERRUPTER
Publication number
20090180222
Publication date
Jul 16, 2009
General Protecht Group, Inc.
Wusheng Chen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Movement mechanism for a ground fault circuit interrupter with auto...
Publication number
20070217100
Publication date
Sep 20, 2007
General Protecht Group, Inc.
Wusheng Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Intelligent life testing methods and apparatus for leakage current...
Publication number
20070195470
Publication date
Aug 23, 2007
General Protecht Group, Inc.
Feng Zhang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
INTELLIGENT LIFE TESTING METHODS AND APPARATUS FOR LEAKAGE CURRENT...
Publication number
20070164750
Publication date
Jul 19, 2007
General Protecht Group, Inc.
Wusheng Chen
G01 - MEASURING TESTING
Information
Patent Application
Intelligent life testing methods and apparatus for leakage current...
Publication number
20070146947
Publication date
Jun 28, 2007
General Protecht Group, Inc.
Feng Zhang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Intelligent life testing methods and apparatus for leakage current...
Publication number
20070146945
Publication date
Jun 28, 2007
General Protecht Group, Inc.
Feng Zhang
G01 - MEASURING TESTING
Information
Patent Application
Leakage current detection interrupter with fire protection means
Publication number
20070146946
Publication date
Jun 28, 2007
General Protecht Group, Inc.
Wusheng Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Apparatus and methods for testing the life of a leakage current pro...
Publication number
20070146944
Publication date
Jun 28, 2007
General Protecht Group, Inc.
Feng Zhang
G01 - MEASURING TESTING
Information
Patent Application
Reverse wiring protection device for ground fault circuit interrupter
Publication number
20040021996
Publication date
Feb 5, 2004
Zhixin Wu
H01 - BASIC ELECTRIC ELEMENTS