How many patents does
China Gezhouba Group No.5 Engineering Company have?
patents
373
families
342
granted
31
applications
342
CN
373
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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 Gezhouba Group No.5 Engineering Company
Top ten assignees appearing on patents
2009
2018
China Gezhouba Group No.5 Engineering Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| shock-resisting abrasion-resisting concrete conveying descent control device | 2 | 2012 |
| large-tonnage prestressed tension construction adjusting device | 2 | 2015 |
| tunneling movable dust removal device | 2 | 2015 |
| construction waste slag removing system and method for open type heading machine | 2 | 2015 |
| processing system and method for compatible processing of natural material gravel and ar… 🛈 | 2 | 2014 |
| processing system and construction method capable of improving fineness modulus of natur… 🛈 | 2 | 2013 |
| method for welding cutting ring of cone crusher with locking bolt and movable cone liner… 🛈 | 2 | 2012 |
| concrete vertical transport device and concrete vertical transport method | 2 | 2013 |
| mixing system grinding sand material-storing tank discharging blocking-prevention device… 🛈 | 2 | 2013 |
| multistage wet process screening system and screening method | 2 | 2013 |