How many patents does
State Grid Jibei Electric Power Company Limited Chengde Power Supply Company have?
patents
261
families
244
granted
16
applications
245
CN
261
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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 Jibei Electric Power Company Limited Chengde Power Supply Company
Top ten assignees appearing on patents
2009 - 2018
2009
2018
State Grid Jibei Electric Power Company Limited Chengde Power Supply Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| reliable power supply system | 2 | 2017 |
| split pin and bolt disassembly device of suspension clamp | 2 | 2016 |
| bolt controlling device of drop-out fuse | 2 | 2014 |
| sag measurement device for iron tower grounding wire | 2 | 2014 |
| sag measurement device for concrete rod grounding wire | 2 | 2014 |
| transverse stripper for cable outer sheaths | 2 | 2014 |
| electric maintaining tool carrying device | 2 | 2014 |
| sulfur hexafluoride gas bottle heating device | 2 | 2014 |
| positioning method for single-phase earth fault sections of isolated neutral system | 2 | 2014 |
| method for simplifying power quality data interchange format pqdif | 2 | 2014 |