The report contains ten-year analysis with the following sections
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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 |