How many patents does
China Railway Sixth Group Company have?
patents
402
families
341
granted
63
applications
339
CN
402
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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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China Railway Sixth Group Company
Top ten assignees appearing on patents
2009 - 2018
2018
China Railway Sixth Group Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| integral erection construction method of 60m steel box girder | 2 | 2012 |
| unequal-height tank whole jacking construction method | 2 | 2012 |
| precasting and mounting method of pi-shaped steel frame on arch of deck type arch bridge | 2 | 2015 |
| method for reinforcement construction of soft soil foundation by exchange-filling with f… 🛈 | 2 | 2011 |
| size-graded steel fiber elevating concrete and preparation method | 2 | 2011 |
| cement emulsifying asphalt mortar for repairing crts ii type ballastless track and prepa… 🛈 | 2 | 2011 |
| shield construction waste water recycling device | 2 | 2014 |
| non-blasting construction method for dismantling pier to land bridge | 2 | 2011 |
| steel and concrete combined box girder concrete wing plate formwork and construction met… 🛈 | 2 | 2013 |
| construction method for threading full-length prestressed steel strands of continuous be… 🛈 | 2 | 2014 |