How many patents does
Powerchina Chengdu Engineering Corporation have?
patents
472
families
393
granted
79
applications
393
CN
472
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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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Powerchina Chengdu Engineering Corporation
Top ten assignees appearing on patents
2009
2018
Powerchina Chengdu Engineering Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| two-dimensional map generation method based on gocad (geological object computer aided d… 🛈 | 2 | 2012 |
| gravity overspeed protection device | 2 | 2014 |
| temperature-control anti-cracking method used for concrete arch dam | 2 | 2015 |
| method for detecting instability risk ratio of slope of high no-overtopped rockfill coff… 🛈 | 2 | 2015 |
| three-dimensional reinforcement arrangement method for concrete structure on surface of … 🛈 | 2 | 2015 |
| temporary grouting gallery and construction method thereof | 2 | 2015 |
| method for determining coarse-grained soil bearing capacity at large embedded depth | 2 | 2015 |
| diversion tunnel blockage gate detecting system and detecting method | 2 | 2015 |
| method for detecting working state of vibrating machine | 2 | 2014 |
| over-current slag collecting weir for water conservancy and hydropower engineering and c… 🛈 | 2 | 2015 |