Inventor
Hua Hezhao
CN4 patents
Patents
4 patentsUS12228131B1Feb 18, 2025
Integrated electric oil pump
HANGZHOU QUADRANT TECH CO LTD0 citations57
US12448965B2Oct 21, 2025
Integrated electric oil pump and operation method thereof
HANGZHOU QUADRANT TECH CO LTD0 citations56
US12421964B2Sep 23, 2025
Electric oil pump
HANGZHOU QUADRANT TECH CO LTD0 citations56
US12140141B1Nov 12, 2024
Electric oil pump including pump housing and eccentric assembly non-concentrically arranged with pump housing
HANGZHOU QUADRANT TECH CO LTD0 citations46