How many patents does
Qingdao Port have?
patents
291
families
261
granted
31
applications
260
CN
291
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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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Qingdao Port
Top ten assignees appearing on patents
Qingdao Port
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| device for exchanging wire rope of gantry crane | 2 | 2010 |
| roller unit with adjustable inclination angles | 2 | 2011 |
| fast alignment tool for mounting hinge shaft of gantry crane | 2 | 2011 |
| flattening machine | 2 | 2010 |
| shaper with rotary bench | 2 | 2012 |
| loading and unloading manipulator | 2 | 2010 |
| automatically packaging device | 2 | 2010 |
| automatic container loading and unloading equipment with fixing spin locks | 2 | 2012 |
| automatic switching method of belt conveying system flows | 2 | 2013 |
| recycling freight bag and sealing method thereof | 2 | 2013 |