How many patents does
Csr Qingdao Sifang Company have?
patents
1,258
families
825
granted
281
applications
977
CN
1,071
WO
60
GB
51
US
47
JP
11
EP
1
RoW
17
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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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Csr Qingdao Sifang Company
Top ten assignees appearing on patents
2009 - 2018
2018
| crrc qingdao sifang company | 22 |
Csr Qingdao Sifang Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| railway vehicle and chassis end plate assembly thereof | 11 | 2015 |
| railway vehicle and local multi-functional member thereof | 10 | 2015 |
| railway vehicle and axle box structure thereof | 9 | 2015 |
| rail vehicle bogie draw-gear | 8 | 2014 |
| railway vehicle and head vehicle barrier-removing device thereof | 8 | 2014 |
| railway vehicle control relay panel | 7 | 2015 |
| finite element simulation device and method for car body local structure instability of … 🛈 | 7 | 2015 |
| installation structure for equipment compartment bottom board | 7 | 2015 |
| limit detection system for railway vehicle | 7 | 2014 |
| rail train and axle box structure thereof | 7 | 2015 |