Assignee

ZHOU LIXIN

CN2 patents

Top patents by PatentIndex Score

US9404522B2Aug 2, 2016

Auxiliary wheel, unassisted lifting jack and apparatus for unlocking and locking self-locking device of auxiliary wheel

ZHOU LIXIN6 citations81

US9574596B2Feb 21, 2017

Self-locking device and locking and unlocking equipment thereof

ZHOU LIXIN2 citations70