How many patents does
China Railway Siyuan Survey And Design Group Company have?
patents
1,150
families
918
granted
206
applications
944
CN
1,124
WO
22
RoW
4
Buy the report
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
contact us for pricing
- VAT will apply to UK companies
- EU companies must supply their VAT number
Check out our sample pages |
Find companies to compare
Many companies now available
companies
12,000+
patents
42 million
patent families
23 million
Search to find companies of interest
read summary of their published patent
the following tables are just extracts from the report
the company report contains more information
China Railway Siyuan Survey And Design Group Company
Top ten assignees appearing on patents
2009 - 2018
2009
2018
China Railway Siyuan Survey And Design Group Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for constructing extra-large variable cross section tunnel | 7 | 2014 |
| correction method and correction structure for ballastless track subgrade of high-speed … 🛈 | 4 | 2014 |
| connecting device for active beam and buttress beam of turnout | 3 | 2015 |
| leakage coaxial cable fixture and elastomeric sheath used with same | 3 | 2013 |
| continuous beam type anti-floating structure of shield tunnel | 3 | 2015 |
| prefabricated aseismic structure with lining shield tunnel | 3 | 2014 |
| magnetic levitation encircled track traffic double-line track beam | 3 | 2015 |
| two-line rail girder of maglev rail-holding rail transit | 3 | 2015 |
| magnetic suspension traffic engineering rail supporting structure | 3 | 2015 |
| lowly arranged wire structure used in medium-low speed magnetic levitation traffic engin… 🛈 | 3 | 2015 |