How many patents does
Shuohuang Railway Development Company have?
patents
268
families
220
granted
46
applications
222
CN
268
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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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Shuohuang Railway Development Company
Top ten assignees appearing on patents
2009 - 2018
2009
| china shenhua energy company | 1 |
2018
Shuohuang Railway Development Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| calibration method and device for railroad bed dynamic stress test | 2 | 2014 |
| train energy-saving running chart optimization system and method | 2 | 2015 |
| train tail information transmission system for train | 2 | 2010 |
| reference sensor | 2 | 2011 |
| electrode material composition for reference sensor and reference sensor | 2 | 2011 |
| method and system of data communication of wireless reconnection of locomotive | 2 | 2014 |
| method and system of data communication of wireless reconnection of locomotive | 2 | 2014 |
| method and system for dynamically transmitting multilink redundant data | 2 | 2014 |
| simply supported beam deflection test device and method | 2 | 2015 |
| device and method for supporting transmission diversity technique by single antenna | 2 | 2014 |