How many patents does
North China Institute Of Science And Technology have?
patents
696
families
630
granted
67
applications
629
CN
696
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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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North China Institute Of Science And Technology
Top ten assignees appearing on patents
2009 - 2018
2009
2018
North China Institute Of Science And Technology
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| well-free coal underground gasification system and technique | 2 | 2014 |
| scouring prevention experiment device and method for mine collapse column water inrush u… 🛈 | 2 | 2016 |
| pressure difference type negative pressure automatic water drainage device | 2 | 2015 |
| coal mine water quality quick detection and water damage pre-warning system | 2 | 2015 |
| embedded telescopic fire rescuing device | 2 | 2015 |
| gas drainage pipeline environment simulation device | 2 | 2015 |
| agricultural greenhouse wireless monitoring node and method | 2 | 2014 |
| identification method for user trusted behaviors under internet environment | 2 | 2014 |
| blasting miss-fire monitoring device and method | 2 | 2016 |
| mine transient electromagnetic detection apparatus and method based on u-shaped helical … 🛈 | 2 | 2016 |