How many patents does
Changsha Kaiyuan Instruments Company have?
patents
467
families
404
granted
63
applications
404
CN
467
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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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Changsha Kaiyuan Instruments Company
Top ten assignees appearing on patents
2018
Changsha Kaiyuan Instruments Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| vibrating screen machine and fast clamping unit thereof | 2 | 2013 |
| lifting device | 2 | 2015 |
| method for testing heat of calorimeter | 2 | 2011 |
| dedusting system for sample making chamber | 2 | 2011 |
| hammer crusher | 2 | 2011 |
| liquid level detector | 2 | 2010 |
| mechanical reduction and division device | 2 | 2015 |
| spiral sampling device | 2 | 2015 |
| splitting machine | 2 | 2015 |
| crucible slag automatic removal device | 2 | 2015 |