Inventor

WANG SHENGKUN

CN4 patents

⚠️ This page may combine multiple inventors who share the name “WANG SHENGKUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CRRC QIQIHAR ROLLING STOCK CO LTD

2 patents

US10352083B2Jul 16, 2019

Compartment and bottom door thereof

CRRC QIQIHAR ROLLING STOCK CO LTD0 citations37

US10696311B2Jun 30, 2020

Full side openable boxcar

CRRC QIQIHAR ROLLING STOCK CO LTD0 citations29

YUE LINGHAN

1 patent

US9061688B2Jun 23, 2015

Bottom door device and hopper car having the same

YUE LINGHAN2 citations57

WANG SHENGKUN

1 patent

US8950340B2Feb 10, 2015

Ballast hopper car discharge door control system

WANG SHENGKUN3 citations51