Inventor · disambiguated record
Weifeng Qian
Also filed as: QIAN WEIFENG
3 granted patents·2 pending applications·0 citations·filing 2021–2024
44Inventor score
Technology areasH02K
Files withBLACK & DECKER INC5
Top patents by PatentIndex Score
5 records- 0178US2025070620A1Power tool including a canned electric motorBLACK & DECKER INC·Filed 2024·Application pending·0 cites
- 0276US12463502B2Outer-rotor motor assemblyBLACK & DECKER INC·Filed 2022·Granted Nov 4, 2025·0 cites·6 claims
- 0374US2023188004A1Power tool with compact outer-rotor motor assemblyBLACK & DECKER INC·Filed 2022·Application pending·0 cites
- 0465US12176794B2Outer-rotor brushless motor for a power toolBLACK & DECKER INC·Filed 2021·Granted Dec 24, 2024·0 cites·17 claims
- 0558US12027919B2Rotor magnet retainerBLACK & DECKER INC·Filed 2022·Granted Jul 2, 2024·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →