Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10888907 | Mixed jet descaling device axially and eccentrically arranged for inner wall of pipe | — | 2021-01-12 |
| 10493498 | Method for arranging jet cleaning nozzles | Shanqing Li | 2019-12-03 |
| 9815172 | Method of steel sheet surface treatment and apparatus of the same | Jizhe Quan, Shanqing Li, Yingjie Wang, Jianghua Xu, Peilei Qu | 2017-11-14 |
| 9604268 | Cold state metal plate strip surface treatment system and treatment method of the same | — | 2017-03-28 |