How many patents does
Csr Erqi Company have?
patents
670
families
596
granted
70
applications
600
CN
667
WO
1
US
1
EP
1
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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 Erqi Company
Top ten assignees appearing on patents
2009
Csr Erqi Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| railway wagon for transporting trucks and method for loading and unloading truck | 5 | 2015 |
| vehicle wheel pair carrying reinforcing transportation device and carrying method | 2 | 2011 |
| positioning device for assembling side hopper plate and deflectors of railway hopper tru… 🛈 | 2 | 2015 |
| pipeline transport frame for open car | 2 | 2015 |
| central beam assembly applicable to railway wagon having large weight-concentrating capa… 🛈 | 2 | 2011 |
| railway vehicle braking cylinder piston assembly | 2 | 2011 |
| device for assembling chassis accessories of railway freight cars and using method for d… 🛈 | 2 | 2011 |
| automatic welding method for sidewall and side post of railway general covered wagon and… 🛈 | 2 | 2015 |
| jib-type axle box positioning device for bogie | 2 | 2012 |
| heavy-load double-layer-loaded container rail wagon | 2 | 2011 |