How many patents does
Csr Sifang Rolling Stock Company have?
patents
213
families
187
granted
24
applications
189
CN
211
WO
2
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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 Sifang Rolling Stock Company
Top ten assignees appearing on patents
2009
2018
Csr Sifang Rolling Stock Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| carriage hinge device and streetcar | 3 | 2015 |
| carriage hinging mechanism and tramcar | 3 | 2015 |
| rolling stock and locking device used for same | 2 | 2010 |
| aluminum apron board for railway vehicle and machining method thereof | 2 | 2014 |
| metal box pre-stretching welding positioner and metal box pre-stretching welding method | 2 | 2013 |
| hybrid power type power distributed motor train unit | 2 | 2014 |
| guide wheel mechanism and autorailer | 2 | 2012 |
| rail locomotive body and rail locomotive | 2 | 2014 |
| locomotive front-end constructing structure supporting mounting of opening and closing m… 🛈 | 2 | 2014 |
| diesel locomotive body and diesel locomotive | 2 | 2014 |