Yiping SHI

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Bolt and method for manufacturing the same
- Patent number 11,261,900
- Issue date Mar 1, 2022
- Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd.
- Guolong Zheng
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
BOLT AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20190353194
- Publication date Nov 21, 2019
- Guolong ZHENG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...