How many patents does
Csr Qishuyan Locomotive Company have?
patents
1,107
families
982
granted
129
applications
978
CN
1,105
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 Qishuyan Locomotive Company
Top ten assignees appearing on patents
Csr Qishuyan Locomotive Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| intelligent controller of auxiliary generator of railway locomotive | 2 | 2013 |
| diesel engine overturning table | 2 | 2010 |
| steering frame turnover device | 2 | 2014 |
| wheel set positive and negative pressure testing machine | 2 | 2014 |
| measuring tool for measuring arc parts | 2 | 2010 |
| internal combustion locomotive exhausting and water feeding method | 2 | 2014 |
| high-efficiency locomotive bolt fastening device | 2 | 2014 |
| electric sliding plate for assembling diesel engine | 2 | 2010 |
| area flame baking gun | 2 | 2014 |
| automatic allocation method for axial machining allowances of crankshaft | 2 | 2014 |