How many patents does
The Third Railway Survey And Design Institute Group Corporation have?
patents
840
families
694
granted
137
applications
703
CN
834
US
2
EP
2
WO
1
RoW
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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The Third Railway Survey And Design Institute Group Corporation
Top ten assignees appearing on patents
2009 - 2018
2009
The Third Railway Survey And Design Institute Group Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| rail vibration absorber | 8 | 2013 |
| self-tensioning energy-dissipating lock | 3 | 2016 |
| processing method of high-strength waterproof board | 3 | 2015 |
| side direction seismic wave transmission nondestructive testing system and method for ra… 🛈 | 2 | 2015 |
| automatic washing equipment of metro vehicle | 2 | 2015 |
| reducing swing-injected agitating pile | 2 | 2015 |
| analyzing and determining method for bridge foundation slope stable slope-angle line | 2 | 2015 |
| outdoor closed type high-speed train ice melting and snow removing system | 2 | 2015 |
| method for measuring gps eccentricity component | 2 | 2015 |
| high-speed railway sound barrier insertion loss prediction method of five-sound-source m… 🛈 | 2 | 2015 |