How many patents does
Wuhan Design & Research Institute Co., Ltd. Of China Coal Technology & Engineering Group have?
patents
149
families
142
granted
7
applications
142
CN
149
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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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Wuhan Design & Research Institute Co., Ltd. Of China Coal Technology & Engineering Group
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Wuhan Design & Research Institute Co., Ltd. Of China Coal Technology & Engineering Group
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| improved coal water slurry stability and ph value measurement device | 2 | 2014 |
| coal slurry screening and feeding chute | 2 | 2014 |
| washing device for inner wall of water-coal-slurry pipe | 2 | 2014 |
| large coal slurry storage tank | 2 | 2015 |
| coarse and fine particle separation device for long-distance pipeline transportation coa… 🛈 | 2 | 2014 |
| device for measuring stability and ph value of coal water slurry | 2 | 2014 |
| jet mixing coal slurry tank | 2 | 2015 |
| desulfurization equipment with fireproof function | 1 | 2014 |
| a slide rail device | 1 | 2014 |
| cavitation and slack flow protection device for complex terrain slurry pipeline | 1 | 2014 |