How many patents does
China Yangtze Power Company have?
patents
463
families
452
granted
11
applications
452
CN
463
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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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China Yangtze Power Company
Top ten assignees appearing on patents
2009
2018
China Yangtze Power Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| unit power output and sluice gate linkage water supplementation control method | 2 | 2014 |
| detachable special platform for installation and overhaul of vault illumination lamp of … 🛈 | 2 | 2014 |
| hydropower station flood way maintenance platform and erecting method thereof | 2 | 2015 |
| short-term forecast evaluation method for multi-factor reservoir inflow | 2 | 2015 |
| dismounting support of pressure steel pipe manhole plugging door | 2 | 2014 |
| rechargeable-type usb (universal serial bus) auxiliary power-supplying device | 2 | 2013 |
| switch, digital and analog mixed island signal delivery method | 2 | 2015 |
| gap-type heating device and heating method for upper guide bearing collar of large hydro… 🛈 | 2 | 2013 |
| frequency response detection and parameter optimization analysis method and system for g… 🛈 | 2 | 2014 |
| suspended device for fixing tail end of lower blowdown pipe of large hydropower station … 🛈 | 2 | 2015 |