How many patents does
Cnr Dalian Locomotive Research Institute Company have?
patents
355
families
298
granted
45
applications
310
CN
343
WO
12
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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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Cnr Dalian Locomotive Research Institute Company
Top ten assignees appearing on patents
2009 - 2018
| cnr dalian locomotive research ins… 🛈 | 319 |
| dalian zhongtie heat exchange tech… 🛈 | 1 |
2018
Cnr Dalian Locomotive Research Institute Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| cooling unit for traction transformers | 3 | 2014 |
| ventilator for electric locomotive | 3 | 2012 |
| locomotive charger cabinet and locomotive | 3 | 2015 |
| overhead cooling device | 3 | 2009 |
| cooling unit for traction converter | 3 | 2014 |
| power-distributed diesel motor train unit cooling system based on heat treatment system | 3 | 2014 |
| pressure booster blower impeller ex-meridian turning process | 2 | 2008 |
| online data analyzer for electric locomotive driver display unit | 2 | 2013 |
| test stand of electric locomotive | 2 | 2012 |
| installation device for vehicle-mounted satellite antenna for rail transit | 2 | 2014 |