Inventor · disambiguated record
Changhua Hu
Also filed as: HU CHANGHUA
6 granted patents·1 citations·filing 2014–2022
64Inventor score
Files withUNIV CHINA MINING3HEFEI DESIGN AND RES INSTITUTE OF COAL INDUSTRY CO LTD1UNIV CHINA MINING & TECHNOLOGY1XUZHOU COAL MINE SAFETY EQUIPMENT MFT CO LTD1
Top patents by PatentIndex Score
6 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
- 0350US11919748B2Hoist for transferred materials in underground auxiliary transportation system and method thereofUNIV CHINA MINING·Filed 2022·Granted Mar 5, 2024·0 cites·8 claims
- 0442US11199091B2Cageway 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
- 0541US9695017B2Adjustable 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
- 0634US9878882B2Large-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
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →