Inventor · disambiguated record
Qingzhao Li
Also filed as: LI QINGZHAO
3 granted patents·4 citations·filing 2014–2018
56Inventor score
Top patents by PatentIndex Score
3 records- 0165US11131172B2Method for extracting gas by fracturing coal seam through combination of hydraulic slotting and multi-stage combustion impact waveUNIV CHINA MINING·Filed 2018·Granted Sep 28, 2021·1 cites·6 claims
- 0262US10022668B2Self-regenerative integrated device for synergetic oxidation of low-concentration gas and ventilation gas in coal mineUNIV CHINA MINING·Filed 2014·Granted Jul 17, 2018·1 cites·5 claims
- 0358US9605512B2Mine area distributed combined cooling heating power energy system for extracting gas for coal mineUNIV CHINA MINING & TECHNOLOGY·Filed 2014·Granted Mar 28, 2017·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →