Inventor
JIANG RUIJIN
CN5 patents
⚠️ This page may combine multiple inventors who share the name “JIANG RUIJIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CRRC YANGTZE CORPORATION LTD
3 patentsUS10640133B2May 5, 2020
Connecting rod type two-level locking device, hopper car bottom door and hopper car
CRRC YANGTZE CORPORATION LTD0 citations32
US10161468B2Dec 25, 2018
Two-stage stiffness type elastomer combined device
CRRC YANGTZE CORPORATION LTD0 citations30
US9919718B2Mar 20, 2018
Variable stiffness positioning device for railway vehicle bogie axle box
CRRC YANGTZE CORPORATION LTD0 citations30