Weiwei SU

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Shenyang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Sealing quality detection device and sealing quality evaluating met...
- Patent number 12,140,013
- Issue date Nov 12, 2024
- CHINA COAL TECHNOLOGY & ENGINEERING GROUP SHENYANG ENGINEERING COMPANY
- Weiwei Su
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SEALING QUALITY DETECTION DEVICE AND SEALING QUALITY EVALUATING MET...
- Publication number 20240384644
- Publication date Nov 21, 2024
- CHINA COAL TECHNOLOGY & ENGINEERING GROUP SHENYANG ENGINEERING COMPANY
- Weiwei SU
- E21 - EARTH DRILLING MINING
Information Patent Application
AMBIENT PRESSURE COMPENSATION STRUCTURE AND METHOD FOR ULTRAVIOLET...
- Publication number 20240118157
- Publication date Apr 11, 2024
- CCTEG SHENYANG RESEARCH INSTITUTE
- Fuchao TIAN
- G01 - MEASURING TESTING