How many patents does
Nanjing Hydraulic Research Institute have?
patents
870
families
724
granted
148
applications
722
CN
867
US
2
WO
1
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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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Nanjing Hydraulic Research Institute
Top ten assignees appearing on patents
2009 - 2018
2009
Nanjing Hydraulic Research Institute
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| hydraulic ship lift with anti-capsizing capacity | 4 | 2016 |
| anti-scouring method for marine structure | 2 | 2016 |
| shield tunnel elastic sealing gasket 'linear' water-tightness inspection device | 2 | 2015 |
| beheaded river control device | 2 | 2017 |
| method for preventing ship entering into/pulling out of specially restricted navigation … 🛈 | 2 | 2013 |
| hydraulic fill curing agent mixing equipment | 2 | 2013 |
| testing method for concrete damage fracture performance under double-field coupling | 2 | 2015 |
| high-early-strength cement-based filling material for semi-flexible composite pavements | 2 | 2015 |
| test device and method for simulating seepage condition of landslide of earth-rock dam | 2 | 2017 |
| concrete viscosity regulator suitable for compatible use with polycarboxylic acid water … 🛈 | 2 | 2015 |