Yifang CHEN

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Qingdao, Shandong Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Anti-impact device and working method thereof
- Patent number 11,535,284
- Issue date Dec 27, 2022
- Shandong University of Science and Technology
- Chenglong Wang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Magnetically controlled material-based magnetorheological pilot ope...
- Patent number 11,480,263
- Issue date Oct 25, 2022
- Shandong University of Science and Technology
- Chenglong Wang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
NOVEL ANTI-IMPACT DEVICE AND WORKING METHOD THEREOF
- Publication number 20220204060
- Publication date Jun 30, 2022
- SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Chenglong WANG
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
MAGNETICALLY CONTROLLED MATERIAL-BASED MAGNETORHEOLOGICAL PILOT OPE...
- Publication number 20220090697
- Publication date Mar 24, 2022
- SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Chenglong WANG
- E21 - EARTH DRILLING MINING