Tang; Chuqiang

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tang; Chuqiang.The latest application filed is for "railway hopper car".

Company Profile

4.6.7

Tang; Chuqiang - Wuhan CN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks

Patent Activity

Patent	Date
Multimodal transportation interworking system Grant 11,097,749 - Hu , et al. August 24, 2	2021-08-24
Railroad hopper car Grant 11,052,927 - Lin , et al. July 6, 2	2021-07-06
Connecting rod type two-level locking device, hopper car bottom door and hopper car Grant 10,640,133 - Shi , et al.	2020-05-05
Railway Hopper Car App 20200023867 - LIN; Liangcai ; et al.	2020-01-23
Engineering vehicle having ballast unloading device and ballast leveling device Grant 10,501,096 - Chen , et al. Dec	2019-12-10
Side wall structure of open wagon Grant 10,384,693 - Wu , et al. A	2019-08-20
Multimodal Transportation Interworking System App 20190251510 - Hu; Haiping ; et al.	2019-08-15
Connecting Rod Type Two-level Locking Device, Hopper Car Bottom Door And Hopper Car App 20180072333 - SHI; Chunjiang ; et al.	2018-03-15
Engineering Vehicle Having Ballast Unloading Device And Ballast Leveling Device App 20170327130 - CHEN; Wei ; et al.	2017-11-16
Side Wall Structure Of Open Wagon App 20170320504 - WU; Huiping ; et al.	2017-11-09
Two-level locking device, hopper car bottom door and hopper car Grant 9,789,883 - Shi , et al. October 17, 2	2017-10-17
Connecting Rod Type Two-Level Locking Device, Hopper Car Bottom Door and Hopper Car App 20160031454 - SHI; Chunjiang ; et al.	2016-02-04
Two-Level Locking Device, Hopper Car Bottom Door and Hopper Car App 20150353102 - SHI; Chunjiang ; et al.	2015-12-10

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