Shuhai Zhao

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Yuncheng, CN

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Patents Grantslast 30 patents

Information Patent Grant
Mechanical self-resetting short-circuit fault indicator
- Patent number 9,841,453
- Issue date Dec 12, 2017
- State Grid Corporation of China
- Shuhai Zhao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cleaning rings for insulator driven by wind
- Patent number 6,957,471
- Issue date Oct 25, 2005
- Shuhai Zhao
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
MECHANICAL SELF-RESETTING SHORT-CIRCUIT FAULT INDICATOR
- Publication number 20160209455
- Publication date Jul 21, 2016
- STATE GRID CORPORATION OF CHINA
- Shuhai Zhao
- G01 - MEASURING TESTING
Information Patent Application
Cleaning rings for insulator driven by wind
- Publication number 20040168277
- Publication date Sep 2, 2004
- Shuhai Zhao
- B08 - CLEANING