How many patents does
Shenhua Shendong Coal Group Corporation have?
patents
333
families
295
granted
38
applications
295
CN
333
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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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Shenhua Shendong Coal Group Corporation
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Shenhua Shendong Coal Group Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| sealing device of carrier roller | 2 | 2012 |
| testing method for air leakage of goaf under mine in earth surface direction of shallow … 🛈 | 2 | 2014 |
| shift change train | 2 | 2015 |
| automatic control system for continuous collection and feeding crusher and control metho… 🛈 | 2 | 2014 |
| electric energy quality treatment and energy storage integrated energy saving device and… 🛈 | 2 | 2014 |
| coal mine connection roadway and sealing method thereof | 2 | 2014 |
| slide valve type high-frequency hydraulic impacter | 2 | 2015 |
| wind power rotational flow dust-catching condensing apparatus | 2 | 2013 |
| drying equipment | 2 | 2013 |
| constructing method of construction cutting hole | 2 | 2014 |