How many patents does
Power Research Institute Of State Grid Hunan Electric Power Company have?
patents
839
families
658
granted
177
applications
662
CN
835
WO
3
RoW
1
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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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Power Research Institute Of State Grid Hunan Electric Power Company
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Power Research Institute Of State Grid Hunan Electric Power Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| electric transmission line wildfire warning method | 4 | 2014 |
| power transmission line mountain fire fine positioning method based on brightness temper… 🛈 | 3 | 2014 |
| multi-functional junction box used for ground wire ice melting | 2 | 2012 |
| automatic control method for load deviation of thermal generator set | 2 | 2016 |
| evaluation method and system for operation state of transformer cooling fan based on noi… 🛈 | 2 | 2016 |
| steam fog apparatus of artificial pollution laboratory for high-voltage equipment and fl… 🛈 | 2 | 2015 |
| icing monitoring system | 2 | 2015 |
| portable suspension insulator zero value and low value detection tool | 2 | 2015 |
| apparatus and method for simulating local discharge defect of transformer | 2 | 2016 |
| testing hanging frame for live operation tools and devices | 2 | 2015 |