How many patents does
Csr Zhuzhou Electric Locomotive Company have?
patents
1,695
families
1,372
granted
306
applications
1,389
CN
1,677
WO
11
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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Csr Zhuzhou Electric Locomotive Company
Top ten assignees appearing on patents
2009 - 2018
Csr Zhuzhou Electric Locomotive Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| control system and method for controlling maintenance vehicle braking cylinder of large … 🛈 | 5 | 2010 |
| control system used for distribution valve of accumulator electric engineering locomotiv… 🛈 | 5 | 2010 |
| lateral current collector and electric vehicle | 3 | 2015 |
| railway vehicle | 3 | 2015 |
| charging system | 3 | 2015 |
| variable-track current collector and electric vehicle | 3 | 2015 |
| current collecting head device | 3 | 2015 |
| bo bogie for electric freight locomotive | 3 | 2014 |
| method and device for controlling locomotive air anti-slip system | 3 | 2014 |
| hollow axle bridge structure and light wheel pair | 3 | 2015 |