Duan; Mingnan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Duan; Mingnan.The latest application filed is for "mixed jet descaling device axially and eccentrically arranged for inner wall of pipe".

Company Profile

1.4.5

Duan; Mingnan - Shanghai 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
Mixed jet descaling device axially and eccentrically arranged for inner wall of pipe Grant 10,888,907 - Duan January 12, 2	2021-01-12
Method for arranging jet cleaning nozzles Grant 10,493,498 - Duan , et al. De	2019-12-03
Mixed Jet Descaling Device Axially And Eccentrically Arranged For Inner Wall Of Pipe App 20180345344 - Duan; Mingnan	2018-12-06
Method for Arranging Jet Cleaning Nozzles App 20180147608 - DUAN; Mingnan ; et al.	2018-05-31
Method of steel sheet surface treatment and apparatus of the same Grant 9,815,172 - Quan , et al. November 14, 2	2017-11-14
Cold state metal plate strip surface treatment system and treatment method of the same Grant 9,604,268 - Duan March 28, 2	2017-03-28
Method Of Steel Sheet Surface Treatment And Apparatus Of The Same App 20160008950 - Quan; Jizhe ; et al.	2016-01-14
Method for Arranging Jet Cleaning Nozzles App 20150314337 - DUAN; Mingnan ; et al.	2015-11-05
Cold State Metal Plate Strip Surface Treatment System And Treatment Method Of The Same App 20150143862 - Duan; Mingnan	2015-05-28

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