Jia MA

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Zhengzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Copper-phosphorus-zinc-tin brazing sheet and preparation method and...
- Patent number 12,290,882
- Issue date May 6, 2025
- ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD
- Quanbin Lu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Brazing material outer coat and preparation method thereof, in-situ...
- Patent number 10,987,747
- Issue date Apr 27, 2021
- ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD
- Weimin Long
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
PREPARATION METHOD FOR TITANIUM-BASED AMORPHOUS SPHERICAL POWDER
- Publication number 20250153245
- Publication date May 15, 2025
- Zhengzhou Research Institute of Mechanical Engineering Co, Ltd.
- Li BAO
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Copper-phosphorus-zinc-tin Brazing Sheet and Preparation Method and...
- Publication number 20240017359
- Publication date Jan 18, 2024
- ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD.
- Quanbin LU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
A brazing material outer coat and preparation method thereof, in-si...
- Publication number 20200261995
- Publication date Aug 20, 2020
- Zhengzhou Research Institute of Mechanical Engineering Co., Ltd.
- Weimin LONG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR