How many patents does
China Railway Baoji Bridge Group Company have?
patents
236
families
183
granted
52
applications
184
CN
236
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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 Baoji Bridge Group Company
Top ten assignees appearing on patents
2009 - 2018
2018
China Railway Baoji Bridge Group Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| special-structure high manganese steel frog and design method | 3 | 2011 |
| horizontal nib-hidden type long and short nose rail splitting method | 2 | 2007 |
| steel rail expansion adjuster | 2 | 2011 |
| control method and system for accurate positioning of linear movement of translational t… 🛈 | 2 | 2014 |
| 59r2 special-shaped rail and forming method thereof | 2 | 2014 |
| hole conditioning moulding bed of large combined joist steel main beam | 2 | 2014 |
| integral coverage type turnover hole-drilling system for u-shaped rib of steel bridge | 2 | 2013 |
| f-track movable end positioning and connection device for medium-and-low-speed magnetic … 🛈 | 2 | 2011 |
| intermediate hinged shaft device for medium-low speed maglev turnout junction girder | 2 | 2011 |
| close-range photogrammetry drone | 2 | 2014 |