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Inventor
SUN MINGDAO
CN
5 patents
⚠️ This page may combine multiple inventors who share the name “SUN MINGDAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CSR YANGTZE CO LTD
3 patents
US8683927B2
Apr 1, 2014
Railroad car wheel truck
CSR YANGTZE CO LTD
4 citations
64
US8689701B2
Apr 8, 2014
Railroad car wheel truck
CSR YANGTZE CO LTD
2 citations
56
US8636416B2
Jan 28, 2014
Lower side bearing for railroad car wheel truck
CSR YANGTZE CO LTD
0 citations
34
CRRC YANGTZE CORP LTD
1 patent
US9789883B2
Oct 17, 2017
Two-level locking device, hopper car bottom door and hopper car
CRRC YANGTZE CORP LTD
0 citations
38
CRRC YANGTZE CORPORATION LTD
1 patent
US10640133B2
May 5, 2020
Connecting rod type two-level locking device, hopper car bottom door and hopper car
CRRC YANGTZE CORPORATION LTD
0 citations
32