Weifeng Qian

4 Patents

• US125490652026

  Power Tool with Compact Outer-rotor Motor Assembly

  BLACK & DECKER Inc.

  0 cites
• US124635022025

  Outer-rotor Motor Assembly

  BLACK & DECKER Inc.

  0 cites
• US121767942024

  Outer-rotor Brushless Motor for a Power Tool

  Black & Decker Inc.

  0 cites
• US120279192024

  Rotor Magnet Retainer

  Black & Decker Inc.

  0 cites