Assignee
LIU HAIPING
CN3 patents
Top patents by PatentIndex Score
US8057346B2Nov 15, 2011
Automatic stepless transmission
LIU HAIPING3 citations59
US8282522B2Oct 9, 2012
Mechanical-hydraulic continuously variable transmission, the method and vehicle mechanical-hydraulic continuously variable transmission
LIU HAIPING1 citations49
US11439787B2Sep 13, 2022
Portable air filtration and disinfection device for a respirator system
LIU HAIPING0 citations39