How many patents does
China-Epri Electric Power Engineering Company have?
patents
372
families
223
granted
102
applications
270
CN
323
WO
34
EP
10
US
5
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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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China-Epri Electric Power Engineering Company
Top ten assignees appearing on patents
2009 - 2018
2009
China-Epri Electric Power Engineering Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| direct-current circuit breaker and implementation method therefor | 6 | 2013 |
| modular multilevel converter valve protection method | 5 | 2011 |
| commutation apparatus based on controllable commutation inductor, and implementation met… 🛈 | 5 | 2013 |
| modular multi-level flexible direct-current topology circuit suitable for fault ride-thr… 🛈 | 5 | 2014 |
| bidirectional transmission convertor suitable for high voltage and high power | 4 | 2013 |
| valve base control device and method for modular multi-level convertor | 4 | 2013 |
| impulse voltage composited fault current test method for high-voltage direct current pow… 🛈 | 4 | 2010 |
| modular multilevel converter bridge arm short circuit fault protection method | 3 | 2013 |
| outer cooling system with stored cold for direct current converter valve and operation m… 🛈 | 3 | 2013 |
| extra-valve cooling system used for direct current converter valve and operating method … 🛈 | 3 | 2013 |