Inventor

YUE LINGHAN

CN3 patents

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

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

WANG SHENGKUN

1 patent

US8950340B2Feb 10, 2015

Ballast hopper car discharge door control system

WANG SHENGKUN3 citations51