How many patents does
China Railway Eryuan Engineering Group Company have?
patents
950
families
857
granted
91
applications
859
CN
946
WO
3
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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China Railway Eryuan Engineering Group Company
Top ten assignees appearing on patents
2009 - 2018
2018
China Railway Eryuan Engineering Group Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| passive type power vibration absorption track slab | 4 | 2013 |
| a monorail single turnout system of a suspension type rail transit system | 3 | 2015 |
| bridge three-way limit device and bridge three-way limit vibration reduction structure | 2 | 2011 |
| side slope and heading slope combined supporting tunnel entrance structure | 2 | 2014 |
| passive type power vibration reduction floating slab track structure | 2 | 2013 |
| energy dissipation component for passive protection net | 2 | 2014 |
| large-sized hollow concrete structure for refilling large-scale cavity | 2 | 2013 |
| moderate-low speed magnetic levitation traffic integration type track bed track structure | 2 | 2013 |
| construction method of railway steel truss girder t-shaped stiffening rib orthotropic sl… 🛈 | 2 | 2009 |
| ice water accumulation cutting slope reinforcement and protection structure | 2 | 2015 |