Patents/Inventors

Hsiang-chen Yeh

New Taipei CityTW8 patents

5 Patents

US125579352026
Coffee Grinder
Chuang-kang Machinery Technology Co., Ltd.
0 cites
US122628482025
Rocker Arm Structure of Hand-operated Bean Grinder
CHUANG-KANG MACHINERY TECHNOLOGY CO., Ltd
0 cites
USD10454942024
Crankshaft
CHUANG-KANG MACHINERY TECHNOLOGY CO., Ltd
0 cites
USD10215182024
Coffee Grinder
0 cites
US118571132024
Coffee Bean Grinder
Chuang-kang Machinery Technology Co., Ltd.
0 cites