How many patents does
State Grid Hebei Electric Power Company have?
patents
3,368
families
2,924
granted
410
applications
2,958
CN
3,346
WO
12
JP
5
EP
2
US
1
RoW
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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State Grid Hebei Electric Power Company
Top ten assignees appearing on patents
2009 - 2018
2009
2018
State Grid Hebei Electric Power Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| reverse-retreat preventing apparatus | 6 | 2014 |
| insulated conductor insulating layer loop cutter and method for cutting insulating layer | 6 | 2013 |
| outer lead wire device of electric instrument box | 4 | 2014 |
| overhead wire fixing device of porcelain insulator | 4 | 2016 |
| intelligent high-voltage cable heating and straightening all-in-one machine and control … 🛈 | 4 | 2016 |
| device for releasing internal stress of high-voltage cable, and control method | 4 | 2016 |
| combined-type electricity box for temporary use | 4 | 2014 |
| reverse-retreating preventing device | 4 | 2014 |
| digital display charging control box | 4 | 2013 |
| special tool for excavating electric pole pit | 3 | 2014 |