How many patents does
Datong Electric Locomotive Co., Ltd. Of Cnr have?
patents
562
families
462
granted
93
applications
469
CN
554
WO
8
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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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Datong Electric Locomotive Co., Ltd. Of Cnr
Top ten assignees appearing on patents
2018
Datong Electric Locomotive Co., Ltd. Of Cnr
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| electric locomotive operation device | 3 | 2013 |
| system for cooling auxiliary filtering cabinet of locomotive | 3 | 2011 |
| high voltage warning device and method for electrical cabinet of electric locomotive | 3 | 2013 |
| wiring method for cables in electric locomotive | 3 | 2011 |
| wheel for track | 2 | 2007 |
| ultrasonic probe | 2 | 2012 |
| track traffic vehicle preheating system and method thereof | 2 | 2011 |
| a vertical strip winding device | 2 | 2012 |
| preassembled pipe and manufacturing method thereof | 2 | 2012 |
| rail locomotive drive unit assembly station | 2 | 2012 |