Chunwei Zhang

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum coating device
- Patent number 12,319,998
- Issue date Jun 3, 2025
- Baoshan Iron & Steel Co., Ltd.
- Sanbing Ren
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Rolling method for boards with different longitudinal thicknesses
- Patent number 10,610,914
- Issue date Apr 7, 2020
- Baoshan Iron & Steel Co., Ltd.
- Chunwei Zhang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
METAL VAPOUR PRESSURE DETECTION APPARATUS AND DETECTION METHOD
- Publication number 20250093222
- Publication date Mar 20, 2025
- Baoshan Iron & Steel Co., Ltd
- Xiaoli Jin
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Vacuum Coating Device
- Publication number 20220341026
- Publication date Oct 27, 2022
- Baoshan Iron & Steel Co., Ltd
- Sanbing Ren
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ROLLING METHOD FOR BOARDS WITH DIFFERENT LONGITUDINAL THICKNESSES
- Publication number 20180071803
- Publication date Mar 15, 2018
- Baoshan Iron & Steel Co., Ltd
- Chunwei Zhang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...