Qingzhao Li
3Patents
1h-index
3Co-inventors
33Inventor score
Filing activity: Jan 27, 2014 → Oct 29, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US11131172B2 | Method for extracting gas by fracturing coal seam through combination of hydraulic slotting and multi-stage combustion impact wave | Fixed Constructions | 1 | Active |
| US9605512B2 | Mine area distributed combined cooling heating power energy system for extracting gas for coal mine | Emerging Cross-Sectional Technologies | 1 | Active |
| US10022668B2 | Self-regenerative integrated device for synergetic oxidation of low-concentration gas and ventilation gas in coal mine | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.