Inventor · Qingdao, CN

Weimin Cheng

9Patents
1h-index
50Co-inventors
46Inventor score

Filing activity: Nov 23, 2016 → Dec 26, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US10190948B2 Type of multi-nozzle combined atomizing dust suppression experimental equipment under the effect of airflow disturbance Performing Operations; Transporting 1 Active
US10794174B2 Dynamically self-balancing pressurized borehole-sealing apparatus and method thereof for coal seam gas pressure measurement Fixed Constructions 0 Active
US10253629B2 Test apparatus and a test method for the wetted perimeter of coal seam water injection Emerging Cross-Sectional Technologies 0 Active
US11506041B2 Drilling-slitting-sealing-fracturing device and method for a deep low-permeability gassy coal seam Fixed Constructions 0 Active
US12085004B1 Swirl structure-based exhaust aftertreatment device for underground mining diesel vehicle Emerging Cross-Sectional Technologies 0 Active
US11396810B2 Full-length screen pipe hole protection device and method with pressurized hole packing in soft coal seam Chemistry; Metallurgy 0 Active
US11691043B2 Multi-functional plugging agent for coal mine and preparation method thereof Fixed Constructions 0 Active
US10883320B2 Ground wellhole dedicated protective pipe for gas extraction of mining-induced area Fixed Constructions 0 Active
US10774591B2 Drill-power-based directional hydraulic fracturing system for downhole quick slotting and method thereof Fixed Constructions 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.