How many patents does
Yanzhou Coal Mining Company have?
patents
458
families
382
granted
79
applications
379
CN
458
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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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Yanzhou Coal Mining Company
Top ten assignees appearing on patents
2009 - 2018
2009
| yanzhou coal mining company | 18 |
2018
Yanzhou Coal Mining Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| holder and chassis for hydraulic support top beam and tail beam loading and sealing | 2 | 2014 |
| remote control system | 2 | 2010 |
| mobile power station and vehicle stop device connection structure thereof | 2 | 2014 |
| stepping self-walking cantilever timbering of fully mechanized workface | 2 | 2009 |
| method for preventing vertical shaft wellhole from being damaged | 2 | 2010 |
| cable insulation data processing method | 2 | 2015 |
| method and device for dragging, storing and recycling crossheading power supply cable of… 🛈 | 2 | 2010 |
| remote single supporting column control device | 2 | 2015 |
| method for preventing rock burst of bottom plate of layered tunnel in tectonic stress re… 🛈 | 2 | 2010 |
| crawler-type flat transporter | 2 | 2015 |