Anying YUAN

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Weihai City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Mold for partially shortening circumference of tube billet and usin...
- Patent number 12,318,971
- Issue date Jun 3, 2025
- CHU, GUANNAN
- Guannan Chu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Preforming method for high-strength steel variable-diameter tubular...
- Patent number 12,257,617
- Issue date Mar 25, 2025
- HARBIN INSTITUTE OF TECHNOLOGY, WEIHAI
- Guannan Chu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
PREFORMING METHOD FOR HIGH-STRENGTH STEEL VARIABLE-DIAMETER TUBULAR...
- Publication number 20230278091
- Publication date Sep 7, 2023
- Harbin Institute of Technology, Weihai
- GUANNAN CHU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Mold for partially shortening circumference of tube billet and usin...
- Publication number 20220402176
- Publication date Dec 22, 2022
- Harbin Institute of Technology, Weihai
- Guannan CHU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL