How many patents does
North China Electrical Power Research Institute Company have?
patents
1,122
families
838
granted
271
applications
851
CN
1,103
WO
7
US
6
RoW
6
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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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North China Electrical Power Research Institute Company
Top ten assignees appearing on patents
2009 - 2018
2018
North China Electrical Power Research Institute Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| electric network thunderstorm damage distribution determination method | 4 | 2008 |
| power plant booster fan runback (rb) method and device | 4 | 2013 |
| method and apparatus for determining separation efficiency of cyclone separator | 3 | 2012 |
| cold, heat, power and water poly-generation system comprehensively utilizing wind energy… 🛈 | 3 | 2013 |
| method and device for estimating harmonic state of electric power system | 3 | 2012 |
| method and device for determining boiler operation oxygen content and automatic control … 🛈 | 3 | 2016 |
| primary frequency modulation method and device based on bang-bang control | 3 | 2012 |
| method and device for detecting corrosion of grounding grid of electric transmission lin… 🛈 | 3 | 2011 |
| method for calculating transient state short circuit currents of doubly-fed induction ge… 🛈 | 3 | 2013 |
| testing device for dynamic characteristics of electronic energy meter | 3 | 2013 |