QL

Qingzhao Li

CT China University Of Mining And Technology: 3 patents #109 of 815Top 15%
Overall (All Time): #1,439,695 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11131172 Method for extracting gas by fracturing coal seam through combination of hydraulic slotting and multi-stage combustion impact wave Baiquan Lin, Yang Zhao, Wei Yang 2021-09-28
10022668 Self-regenerative integrated device for synergetic oxidation of low-concentration gas and ventilation gas in coal mine Baiquan Lin 2018-07-17
9605512 Mine area distributed combined cooling heating power energy system for extracting gas for coal mine Baiquan Lin 2017-03-28