Fu; Tiejun

Patent Applications and Registrations

Patent applications and USPTO patent grants for Fu; Tiejun.The latest application filed is for "connecting rod type two-level locking device, hopper car bottom door and hopper car".

Company Profile

0.4.6

Fu; Tiejun - Wuhan CN
Fu; Tiejun - Chengdu CN

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

Patent Activity

Patent	Date
Connecting rod type two-level locking device, hopper car bottom door and hopper car Grant 10,640,133 - Shi , et al.	2020-05-05
Two-stage stiffness type elastomer combined device Grant 10,161,468 - Yan , et al. Dec	2018-12-25
Variable stiffness positioning device for railway vehicle bogie axle box Grant 9,919,718 - Yan , et al. March 20, 2	2018-03-20
Connecting Rod Type Two-level Locking Device, Hopper Car Bottom Door And Hopper Car App 20180072333 - SHI; Chunjiang ; et al.	2018-03-15
Two-level locking device, hopper car bottom door and hopper car Grant 9,789,883 - Shi , et al. October 17, 2	2017-10-17
Variable Stiffness Positioning Device for Railway Vehicle Bogie Axle Box App 20170129509 - Yan; Zhixiong ; et al.	2017-05-11
Two-Stage Stiffness Type Elastomer Combined Device App 20160146284 - Yan; Zhixiong ; et al.	2016-05-26
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
Pharmaceutical Composition Containing Steroidal Saponins, the Preparation Method and Use Thereof App 20070254847 - Liu; Zhongrong ; et al.	2007-11-01

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