Inventor · disambiguated record
Qingyong Du
Also filed as: DU QINGYONG
5 granted patents·1 citations·filing 2014–2020
60Inventor score
Technology areasB66B
Files withUNIV CHINA MINING2HEFEI DESIGN AND RES INSTITUTE OF COAL INDUSTRY CO LTD1UNIV CHINA MINING & TECHNOLOGY1XUZHOU COAL MINE SAFETY EQUIPMENT MFT CO LTD1
Top patents by PatentIndex Score
5 records- 0164US10988347B2Large-tonnage coal dropping buffer skip for mineUNIV CHINA MINING·Filed 2019·Granted Apr 27, 2021·0 cites·7 claims
- 0253US9914618B2Method and device for monitoring tension equalization and displacement adjustment states of steel wire ropes of multi-rope hoisterUNIV CHINA MINING·Filed 2014·Granted Mar 13, 2018·1 cites·2 claims
- 0342US11199091B2Cageway connecting device and connecting method thereofHEFEI DESIGN AND RES INSTITUTE OF COAL INDUSTRY CO LTD·Filed 2020·Granted Dec 14, 2021·0 cites·15 claims
- 0441US9695017B2Adjustable intermediate disk body of large double-layer cage and adjusting and moving method thereofUNIV CHINA MINING & TECHNOLOGY·Filed 2014·Granted Jul 4, 2017·0 cites·3 claims
- 0534US9878882B2Large-tonnage slender externally powered curve rail-mounted unloading skipXUZHOU COAL MINE SAFETY EQUIPMENT MFT CO LTD·Filed 2014·Granted Jan 30, 2018·0 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →