Rongqiang Yao

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Yueqing, CN

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Patents Grantslast 30 patents

Information Patent Grant
High sensitivity leakage current detection interrupter
- Patent number 8,705,216
- Issue date Apr 22, 2014
- Fang Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
HIGH SENSITIVITY LEAKAGE CURRENT DETECTION INTERRUPTER
- Publication number 20120075756
- Publication date Mar 29, 2012
- General Protecht Group, Inc.
- Fang Yu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER