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Ningbo, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Copper-tin brazing wire and preparation method and use thereof
Patent number
12,109,652
Issue date
Oct 8, 2024
ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD
Weimin Long
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Information
Patent Grant
Brazing wire, forming method of brazing wire and forming mold of br...
Patent number
11,845,146
Issue date
Dec 19, 2023
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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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
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Information
Patent Grant
High-efficient energy-saving and surfacing layer well-forming self-...
Patent number
10,610,978
Issue date
Apr 7, 2020
JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY
Dashuang Liu
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Patents Applications
last 30 patents
Information
Patent Application
COPPER-TIN-NICKEL BRAZING MATERIAL PREPARED BY ALLOYS RECYCLED FROM...
Publication number
20240068069
Publication date
Feb 29, 2024
ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD.
Weimin LONG
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Information
Patent Application
Braze Coating Material with Nickel Core and Coating and Preparation...
Publication number
20230398645
Publication date
Dec 14, 2023
ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINERRING CO., LTD.
Weimin LONG
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Information
Patent Application
Copper-tin Brazing Wire and Preparation Method and Use thereof
Publication number
20230373036
Publication date
Nov 23, 2023
ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD.
Weimin LONG
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Information
Patent Application
BRAZING WIRE, FORMING METHOD OF BRAZING WIRE AND FORMING MOLD OF BR...
Publication number
20220339743
Publication date
Oct 27, 2022
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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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
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