Yu; Qinwei

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yu; Qinwei.The latest application filed is for "foldable truss boom section, truss boom and crane".

Company Profile

1.4.4

Yu; Qinwei - Jiangsu CN
Yu; Qinwei - Shaanxi CN
Yu; Qinwei - Xi'an Shaanxi

*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
Foldable truss boom section, truss boom and crane Grant 11,396,444 - Cui , et al. July 26, 2	2022-07-26
Foldable Truss Boom Section, Truss Boom And Crane App 20210253408 - CUI; Dandan ; et al.	2021-08-19
Joint production method and device for aziridine, piperazine and triethylenediamine Grant 10,266,541 - Yang , et al.	2019-04-23
Joint Production Method And Device For Aziridine, Piperazine And Triethylenediamine App 20180093993 - Yang; Jianming ; et al.	2018-04-05
Catalyst for synthesizing ethylenimine as well as preparation method and application thereof Grant 9,920,008 - Yang , et al. March 20, 2	2018-03-20
Joint production method and device for aziridine, piperazine and triethylenediamine Grant 9,850,250 - Yang , et al. December 26, 2	2017-12-26
Joint Production Method And Device For Aziridine, Piperazine And Triethylenediamine App 20170022207 - Yang; Jianming ; et al.	2017-01-26
Catalyst For Synthesizing Ethylenimine As Well As Preparation Method And Application Thereof App 20160318863 - Yang; Jianming ; et al.	2016-11-03

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