Xiangyi DONG

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Ningbo, CN

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Patents Grantslast 30 patents

Information Patent Grant
Floating block of hub shaping mold and hub shaping mold having same
- Patent number 11,260,446
- Issue date Mar 1, 2022
- NINGBO DEMA INTELLIGENT MACHINERY CO., LTD.
- Xiangyi Dong
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Oil hydraulic press
- Patent number 11,214,031
- Issue date Jan 4, 2022
- NINGBO DEMA INTELLIGENT MACHINERY CO., LTD.
- Xiangyi Dong
- B30 - PRESSES
Information Patent Grant
Machining center
- Patent number 11,097,387
- Issue date Aug 24, 2021
- NINGBO DEMA INTELLIGENT MACHINERY CO., LTD.
- Xiangyi Dong
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
MACHINING CENTER
- Publication number 20200039011
- Publication date Feb 6, 2020
- NINGBO DEMA INTELLIGENT MACHINERY CO., LTD.
- Xiangyi DONG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
FLOATING BLOCK OF HUB SHAPING MOLD AND HUB SHAPING MOLD HAVING SAME
- Publication number 20200038936
- Publication date Feb 6, 2020
- NINGBO DEMA INTELLIGENT MACHINERY CO., LTD.
- Xiangyi DONG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
OIL HYDRAULIC PRESS
- Publication number 20190366670
- Publication date Dec 5, 2019
- NINGBO DEMA INTELLIGENT MACHINERY CO., LTD.
- Xiangyi DONG
- B30 - PRESSES