Dong Guo

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Qinhuangdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable device for removing burrs of back cavity of wheel
- Patent number 11,660,718
- Issue date May 30, 2023
- CITIC Dicastal CO., LTD.
- Huiying Liu
- B24 - GRINDING POLISHING
Information Patent Grant
Plastic wrought magnesium alloy and preparation method thereof
- Patent number 11,326,241
- Issue date May 10, 2022
- CITIC Dicastal CO., LTD.
- Lixin Huang
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Automatic wheel detecting device
- Patent number 10,641,621
- Issue date May 5, 2020
- CITIC Dicastal CO., LTD.
- Huiying Liu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Device for removing burrs from flange face of wheel
- Patent number 10,518,389
- Issue date Dec 31, 2019
- CITIC Dicastal CO., LTD.
- Huiying Liu
- B08 - CLEANING
Information Patent Grant
High-precision wheel rim burr removing device
- Patent number 10,434,620
- Issue date Oct 8, 2019
- CITIC Dicastal CO., LTD.
- Huiying Liu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
AUXILIARY FRAME CLEANING DEVICE
- Publication number 20200406318
- Publication date Dec 31, 2020
- CITIC DICASTAL CO., LTD
- Huiying Liu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ADJUSTABLE DEVICE FOR REMOVING BURRS OF BACK CAVITY OF WHEEL
- Publication number 20200338684
- Publication date Oct 29, 2020
- CITIC DICASTAL CO., LTD
- Huiying Liu
- B24 - GRINDING POLISHING
Information Patent Application
DEVICE FOR REMOVING BURRS FROM FLANGE FACE OF WHEEL
- Publication number 20190202034
- Publication date Jul 4, 2019
- CITIC DICASTAL CO., LTD
- Huiying Liu
- B08 - CLEANING
Information Patent Application
HIGH-PRECISION WHEEL RIM BURR REMOVING DEVICE
- Publication number 20190061092
- Publication date Feb 28, 2019
- CITIC DICASTAL CO., LTD
- Huiying Liu
- B24 - GRINDING POLISHING