How many patents does
Huainan Mining Industry have?
patents
466
families
417
granted
49
applications
417
CN
465
WO
1
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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 Industry
Top ten assignees appearing on patents
2009 - 2018
2018
Huainan Mining Industry
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| wire-rope lubricating device | 2 | 2011 |
| winch alarm device for mining | 2 | 2011 |
| hole sealing pipe placing device | 2 | 2015 |
| borehole gas blowout preventer | 2 | 2010 |
| automatic cable traction system and method for fully-mechanized mining face | 2 | 2015 |
| dust catching solution, and drill hole type dust catching method and system | 2 | 2010 |
| air-water linkage spraying device | 2 | 2012 |
| gas-containing coal similar material and preparation method thereof | 2 | 2014 |
| encoder fixing device | 2 | 2015 |
| sleeve-pipe clamp and sleeve-pipe downing device | 2 | 2013 |