Qingfeng Zhang

Follow

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Device and method for manufacturing metal clad strips continuously
- Patent number 11,788,167
- Issue date Oct 17, 2023
- Baoshan Iron & Steel Co., Ltd.
- Qingfeng Zhang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Side spray method for cooling the steel strip after hot rolling
- Patent number 11,724,296
- Issue date Aug 15, 2023
- Baoshan Iron & Steel Co., Ltd.
- Jianfeng Wu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Production apparatus and method for preparing metal clad plate in s...
- Patent number 11,697,150
- Issue date Jul 11, 2023
- Baoshan Iron & Steel Co., Ltd.
- Qingfeng Zhang
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Device and method for manufacturing metal clad plates in way of con...
- Patent number 11,639,538
- Issue date May 2, 2023
- Baoshan Iron & Steel Co., Ltd.
- Qingfeng Zhang
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
High-strength and high-toughness steel plate with yield strength of...
- Patent number 9,771,639
- Issue date Sep 26, 2017
- Baoshan Iron & Steel Co., Ltd.
- Aiwen Zhang
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
PRODUCTION APPARATUS AND METHOD FOR PREPARING METAL CLAD PLATE IN S...
- Publication number 20210276078
- Publication date Sep 9, 2021
- Baoshan Iron & Steel Co., Ltd
- Qingfeng Zhang
- B22 - CASTING POWDER METALLURGY
Information Patent Application
DEVICE AND METHOD FOR MANUFACTURING METAL CLAD PLATES IN WAY OF CON...
- Publication number 20210262057
- Publication date Aug 26, 2021
- BAOSHAN IRON & STEEL CO., LTD.
- Qingfeng Zhang
- B22 - CASTING POWDER METALLURGY
Information Patent Application
DEVICE AND METHOD FOR MANUFACTURING METAL CLAD STRIPS CONTINUOUSLY
- Publication number 20210262056
- Publication date Aug 26, 2021
- Baoshan Iron & Steel Co., Ltd
- Qingfeng Zhang
- B24 - GRINDING POLISHING
Information Patent Application
A SIDE SPRAY METHOD FOR COOLING THE STEEL STRIP AFTER HOT ROLLING
- Publication number 20210078061
- Publication date Mar 18, 2021
- Baoshan Iron & Steel Co., Ltd
- Jianfeng WU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HIGH-STRENGTH HIGH-TOUGHNESS STEEL PLATE WITH YIELD STRENGTH OF 700...
- Publication number 20140116578
- Publication date May 1, 2014
- Baoshan Iron & Steel Co., Ltd
- Aiwen Zhang
- C21 - METALLURGY OF IRON