How many patents does
Hydrochina Guiyang Engineering Corporation have?
patents
314
families
277
granted
40
applications
274
CN
314
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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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Hydrochina Guiyang Engineering Corporation
Top ten assignees appearing on patents
2009
2018
Hydrochina Guiyang Engineering Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method and device for timing deepwater layering water taking | 2 | 2012 |
| concrete tooth groove stilling pool and construction method thereof | 2 | 2014 |
| reverse osmosis water processing method and reverse osmosis drainage system in construct… 🛈 | 2 | 2011 |
| underwater anti-dispersion mortar for large area cavity grouting, and preparation method… 🛈 | 2 | 2013 |
| supporting method of steel bridge beam and beam-type steel bridge | 2 | 2012 |
| apparatus and method for controlling ecological flow | 2 | 2012 |
| method for preparing sand from high strength rocks | 2 | 2011 |
| visual shearing and sample loading box applicable to direct shear test of coarse-grained… 🛈 | 2 | 2014 |
| setting method and structure of embedded bolt of strongly-vibrating large electromechani… 🛈 | 2 | 2011 |
| on-way locking device of ship reception chamber of ship lifter | 2 | 2013 |