How many patents does
Weihai Power Supply Company Of State Grid Shandong Electric Power Company have?
patents
257
families
218
granted
39
applications
218
CN
257
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Weihai Power Supply Company Of State Grid Shandong Electric Power Company
Top ten assignees appearing on patents
2009
2018
Weihai Power Supply Company Of State Grid Shandong Electric Power Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| fixing device of insulating gloves | 2 | 2015 |
| ground potential live working lead polisher | 2 | 2015 |
| smoke detector-linked fan control box | 2 | 2015 |
| lightning arrester of power distribution line | 2 | 2015 |
| high-voltage live lead disconnecting device and lead method, and high-voltage live lead … 🛈 | 2 | 2015 |
| solar photovoltaic wireless power supply system with lightning-proof function | 2 | 2015 |
| device for live replacement of cross arm and insulator string and application method | 2 | 2015 |
| antistatic protection plate for electric power overhauling | 2 | 2015 |
| temperature control system for machine room | 2 | 2015 |
| cleaning device special for power device | 2 | 2015 |