How many patents does
Hangzhou Power Supply Company Of State Grid Zhengjiang Electric Power Company have?
patents
939
families
829
granted
101
applications
838
CN
933
WO
4
EP
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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Hangzhou Power Supply Company Of State Grid Zhengjiang Electric Power Company
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Hangzhou Power Supply Company Of State Grid Zhengjiang Electric Power Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| cables with spiral framework adopted | 8 | 2013 |
| method and apparatus for identifying causes for cable overcurrent | 5 | 2014 |
| method and system for quick emergency handling of power outage of transformer substation | 3 | 2015 |
| ratio braking type protection method for bus with voltage class of 35 kv or below | 2 | 2014 |
| electric leakage detecting terminal, system, and method | 2 | 2015 |
| process layer equipment data acquisition and control system | 2 | 2015 |
| method and device for reducing chip system power consumption, and intelligent transforme… 🛈 | 2 | 2015 |
| automatic drawing method and system for power distribution feeder single-line diagram of… 🛈 | 2 | 2015 |
| small-current grounding system single-phase grounding fault section locating method | 2 | 2015 |
| switch cabinet fault feature selection method and apparatus | 2 | 2015 |