P

Inventor

ZHAO TIANJUN

CN5 patents
⚠️ This page may combine multiple inventors who share the name “ZHAO TIANJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CRRC QIQIHAR ROLLING STOCK CO LTD

3 patents
US12252061B2Mar 18, 2025

Container locking device and piggyback transport vehicle

CRRC QIQIHAR ROLLING STOCK CO LTD0 citations42
US10689011B2Jun 23, 2020

Wagon and vehicle body assembly thereof

CRRC QIQIHAR ROLLING STOCK CO LTD0 citations38
US10352083B2Jul 16, 2019

Compartment and bottom door thereof

CRRC QIQIHAR ROLLING STOCK CO LTD0 citations37

YUE LINGHAN

2 patents
US9061688B2Jun 23, 2015

Bottom door device and hopper car having the same

YUE LINGHAN2 citations57
US8939088B2Jan 27, 2015

Bottom door opening-closing mechanism, bottom door device and drop-bottom hopper car

YUE LINGHAN2 citations56