Inventor
QIAN WEIFENG
CN4 patents
Patents
4 patentsUS12549065B2Feb 10, 2026
Power tool with compact outer-rotor motor assembly
BLACK & DECKER INC0 citations58
US12463502B2Nov 4, 2025
Outer-rotor motor assembly
BLACK & DECKER INC0 citations58
US12176794B2Dec 24, 2024
Outer-rotor brushless motor for a power tool
BLACK & DECKER INC0 citations44
US12027919B2Jul 2, 2024
Rotor magnet retainer
BLACK & DECKER INC0 citations44