Inventor

LIU LEQIANG

CN2 patents

Patents

2 patents

US11796234B2Oct 24, 2023

Electronic expansion valve and air conditioning system with electronic expansion valve

ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD3 citations62

US12480582B2Nov 25, 2025

Electronic expansion valve

ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD0 citations42