Patents/Inventors

Guigang Feng

ZhejiangCN2 patents

3 Patents

US121402312024
Electronic Expansion Valve
ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., Ltd.
0 cites
US120923812024
Electronic Expansion Valve and Assembling Method of Electronic Expansion Valve
ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., Ltd.
0 cites
US119532442024
Electronic Expansion Valve
ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., Ltd.
0 cites