How many patents does
Pingdingshan Power Supply Co., Ltd., Electric Power Of Henan have?
patents
221
families
219
granted
2
applications
219
CN
221
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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 Co., Ltd., Electric Power Of Henan
Top ten assignees appearing on patents
2009
2018
Pingdingshan Power Supply Co., Ltd., Electric Power Of Henan
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| guide sleeve for concrete nail | 2 | 2010 |
| insulated obturator for measuring electromagnetic potential transformer | 2 | 2010 |
| pole tower angle iron multifunctional connector | 1 | 2013 |
| alternating current withstand voltage reactance automatic compensator | 1 | 2011 |
| special wiring equipment for gis lightning arrester line | 1 | 2011 |
| special v-shaped tool for overhauling isolation switch contact terminal | 1 | 2011 |
| special x-shaped overhaul tool for isolating switch contacts | 1 | 2011 |
| automatic dehumidification device for transformer substation or power distribution room | 1 | 2011 |
| automatic collection device for power line of automatic precision check test bed | 1 | 2011 |
| power supply terminal block preventing open circuit of secondary current | 1 | 2011 |