How many patents does
Cangzhou Power Supply Branch Of State Grid Hebei Electric Power Company have?
patents
496
families
428
granted
68
applications
428
CN
496
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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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Cangzhou Power Supply Branch Of State Grid Hebei Electric Power Company
Top ten assignees appearing on patents
2009
2018
Cangzhou Power Supply Branch Of State Grid Hebei Electric Power Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| safety isolation device used in high-voltage framework power distribution area | 2 | 2015 |
| peeling tool with precisely adjustable cutting depth | 2 | 2014 |
| prepayment electricity meter early warning device | 2 | 2014 |
| appliance for stripping cable sheath | 2 | 2015 |
| 10 kv electric transmission line concrete pole replacing method and temporary pole repla… 🛈 | 2 | 2015 |
| device used for adding insulating sleeve to bare conductor | 2 | 2015 |
| lead removing and changing device for overhead transmission line | 2 | 2015 |
| green belt tree finishing device | 2 | 2015 |
| highway greenbelt tree pruning device | 2 | 2015 |
| electric aerial work vehicle | 2 | 2015 |