How many patents does
Pingdingshan Power Supply Company Of State Grid Henan Electric Power Company have?
patents
428
families
372
granted
51
applications
377
CN
426
US
2
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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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Pingdingshan Power Supply Company Of State Grid Henan Electric Power Company
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Pingdingshan Power Supply Company Of State Grid Henan Electric Power Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| low-temperature antifreeze coating for ceramic and glass insulator and preparation metho… 🛈 | 5 | 2013 |
| alloy for rotor slot wedge of high-power generator and production technology of alloy | 5 | 2013 |
| battery cover assembly for portable electronic devices | 4 | 2009 |
| current transformer secondary open circuit protection method and device | 2 | 2014 |
| photovoltaic power generation system reactive power control method based on probabilisti… 🛈 | 2 | 2015 |
| abnormal operation early warning method and apparatus of transformer substation equipment | 2 | 2015 |
| noise and electromagnetic radiation monitoring and shielding apparatus for electrical co… 🛈 | 2 | 2015 |
| automatic control method and device for emergency flood prevention immersible pump | 2 | 2015 |
| power cable | 2 | 2015 |
| bus protection system based on information high-speed interaction technology | 2 | 2015 |