How many patents does
Huainan Mining have?
patents
1,114
families
976
granted
147
applications
967
CN
1,112
WO
2
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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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Huainan Mining
Top ten assignees appearing on patents
2009 - 2018
2018
Huainan Mining
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| tail rope hanging device and multi-rope friction wheel type vertical shaft hoisting syst… 🛈 | 2 | 2011 |
| liquid transfer device and liquid supply equipment with same | 2 | 2012 |
| stone drift fully-mechanized excavating surface dust removing system | 2 | 2013 |
| shotcrete additive and spraying technology of shotcrete | 2 | 2010 |
| flow guide pipe for gas drainage and gas acquisition device | 2 | 2010 |
| mine laneway generation system and method | 2 | 2010 |
| main belt conveyor tail self-cleaning belt conveyor and main belt conveyor tail self-cle… 🛈 | 2 | 2013 |
| inclined drift rail transport protection system | 2 | 2013 |
| construction method of coal mine geological three-dimensional model and system thereof | 2 | 2010 |
| method and system for fixing coal-bed gas extraction wells | 2 | 2010 |