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Zhenjiang, CN
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last 30 patents
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Patent Grant
Copper-phosphorus brazing wire for brazing copper alloy spectacle f...
Patent number
12,103,113
Issue date
Oct 1, 2024
ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD
Yafang Cheng
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Information
Patent Grant
Copper-phosphorus-tin brazing wire and preparation method thereof
Patent number
11,931,828
Issue date
Mar 19, 2024
ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD
Sujuan Zhong
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Information
Patent Grant
Device and method for manufacturing coated welding rod
Patent number
11,660,709
Issue date
May 30, 2023
Weimin Long
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Information
Patent Grant
Self-shielded flux-cored welding wire with special protective slag...
Patent number
11,534,873
Issue date
Dec 27, 2022
HEFEI UNIVERSITY OF TECHNOLOGY
Dashuang Liu
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Patents Applications
last 30 patents
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
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Information
Patent Application
Copper-Phosphorus Brazing Wire for Brazing Copper Alloy Spectacle F...
Publication number
20230405732
Publication date
Dec 21, 2023
ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD.
Yafang CHENG
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Information
Patent Application
Copper-phosphorus Brazing Foil and Preparation Method Thereof
Publication number
20230405733
Publication date
Dec 21, 2023
ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD.
Sujuan ZHONG
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Information
Patent Application
Copper-Phosphorus-Tin Brazing Wire and Preparation Method Thereof
Publication number
20230405731
Publication date
Dec 21, 2023
ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD.
Sujuan ZHONG
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Information
Patent Application
Device and Method for Manufacturing Coated Welding Rod
Publication number
20220063025
Publication date
Mar 3, 2022
ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD.
Weimin LONG
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Information
Patent Application
SELF-SHIELDED FLUX-CORED WELDING WIRE WITH SPECIAL PROTECTIVE SLAG...
Publication number
20200368853
Publication date
Nov 26, 2020
JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY
Dashuang LIU
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