Inventor
LIU LONGXI
CN6 patents
⚠️ This page may combine multiple inventors who share the name “LIU LONGXI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CRRC QINGDAO SIFANG CO LTD
5 patentsUS11046336B2Jun 29, 2021
Chassis component of railway vehicle, and railway vehicle
CRRC QINGDAO SIFANG CO LTD3 citations71
US10730145B2Aug 4, 2020
Beam structure and hybrid welding method thereof
CRRC QINGDAO SIFANG CO LTD3 citations61
US11225270B2Jan 18, 2022
Chassis component of railway vehicle, and railway vehicle
CRRC QINGDAO SIFANG CO LTD1 citations57
US11142223B2Oct 12, 2021
Side wall component of railway vehicle, and railway vehicle
CRRC QINGDAO SIFANG CO LTD0 citations56
US11142222B2Oct 12, 2021
Vehicle end skeleton structure and rail vehicle having same
CRRC QINGDAO SIFANG CO LTD0 citations43