How many patents does
China Shenhua Energy Company have?
patents
3,432
families
2,813
granted
544
applications
2,888
CN
3,358
US
14
WO
11
EP
4
GB
3
KR
1
RoW
41
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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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patent families
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the following tables are just extracts from the report
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China Shenhua Energy Company
Top ten assignees appearing on patents
2009 - 2018
2009
| china shenhua energy company | 71 |
2018
China Shenhua Energy Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for preparing metallurgical-grade alumina by using fluidized bed fly ash | 19 | 2010 |
| vertical ring magnetic separator for de-ironing of pulverized coal ash and method using … 🛈 | 13 | 2010 |
| method for extracting gallium from fly ash | 12 | 2010 |
| method for extracting gallium from fly ash | 11 | 2010 |
| opencast coal mine underground water reservoir | 9 | 2012 |
| method for distributed storage and use of underground water in mine | 9 | 2012 |
| an artificial retaining dam of coal mine underground reservoir and method for connecting… 🛈 | 7 | 2013 |
| artificial retaining dam for coal mine distributed underground reservoir and damming met… 🛈 | 7 | 2013 |
| silo | 5 | 2011 |
| selective catalytic reduction denitration method of flue gas | 5 | 2010 |