How many patents does
Changjiang Survey Planning Design Research Company have?
patents
328
families
228
granted
80
applications
248
CN
303
JP
9
US
6
WO
5
RoW
5
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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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Changjiang Survey Planning Design Research Company
Top ten assignees appearing on patents
2009 - 2018
2009
Changjiang Survey Planning Design Research Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| construction layout of underground nuclear power station combination grotto group along … 🛈 | 8 | 2014 |
| annular-structure construction layout for underground nuclear power station nuclear isla… 🛈 | 7 | 2014 |
| construction layout of underground nuclear power station nuclear island workshop undergr… 🛈 | 7 | 2014 |
| method for lifting and transporting large parts of underground nuclear power station | 7 | 2014 |
| underground migration protective system for radioactive waste water of underground nucle… 🛈 | 6 | 2014 |
| deep deformation monitoring device with appearance deformation measuring function | 2 | 2014 |
| semi-cylindrical surge chamber | 2 | 2014 |
| tunnel type nature fishway imitated fish-barring lifting device and method | 2 | 2015 |
| horizontal bidirectional deformation monitoring system | 2 | 2014 |
| method for regulating and controlling channel emergency water pollution accidents | 2 | 2014 |