How many patents does
Yongcheng Coal & Electricity Holding Group Company have?
patents
418
families
390
granted
29
applications
389
CN
418
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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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Yongcheng Coal & Electricity Holding Group Company
Top ten assignees appearing on patents
2018
Yongcheng Coal & Electricity Holding Group Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| dredging loader for water sump | 2 | 2009 |
| air compressing and water supplying rescue device with person positioning function | 2 | 2015 |
| mine-car-gap-following waste rock distribution device under rock roadway continuous wast… 🛈 | 2 | 2013 |
| pop-out proofing device for column valve of hydraulic single column | 2 | 2012 |
| common gangue removal method and system for dual rock roadways of coal mine | 2 | 2015 |
| hydraulic valve group protecting device for hydraulic bracket | 2 | 2011 |
| brake shoe monitoring and adjusting device for tp1 type elevator disc-shaped brake | 2 | 2015 |
| device and method for controlling quality of screening slack coal | 2 | 2012 |
| auxiliary supporting device for reversed loader tail | 2 | 2014 |
| u-shaped mesh folding device | 2 | 2012 |