How many patents does
Tangshan Railway Vehicle Company have?
patents
760
families
518
granted
156
applications
604
CN
663
EP
37
WO
30
US
23
RoW
7
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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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Tangshan Railway Vehicle Company
Top ten assignees appearing on patents
2009 - 2018
2009
| tangshan railway vehicle company | 26 |
2018
| crrc tangshan company | 2 |
Tangshan Railway Vehicle Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| emergency passage window for railway carriage | 12 | 2010 |
| bogie of rail vehicle | 10 | 2012 |
| troubleshooting and energy absorbing device and leading car of motor train unit | 7 | 2011 |
| machine tool installation for assisting manufacturing railway car body bottom frame | 7 | 2010 |
| tramcar motive power system and control method thereof | 6 | 2014 |
| method and platform for integrating a heterogeneous collaborative design system of work … 🛈 | 6 | 2009 |
| carriage body for multiple unit train | 6 | 2013 |
| city rail transit vehicle | 6 | 2014 |
| driver's cab of magnetically levitated train and manufacturing method thereof | 6 | 2010 |
| method for improving vehicle body fireproof performance | 6 | 2010 |