Xiangyang MA

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Powder dry-pressing molding device and method
- Patent number 11,938,653
- Issue date Mar 26, 2024
- Qingdao University of Technology
- Changhe Li
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Alumina ceramic integrated hot press molding machine and working me...
- Patent number 11,890,781
- Issue date Feb 6, 2024
- QINGDAO UNIVERSITY OF TECHNOLOGY
- Changhe Li
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
POWDER DRY-PRESSING MOLDING DEVICE AND METHOD
- Publication number 20220143867
- Publication date May 12, 2022
- QINGDAO UNIVERSITY OF TECHNOLOGY
- Changhe LI
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
ALUMINA CERAMIC INTEGRATED HOT PRESS MOLDING MACHINE AND WORKING ME...
- Publication number 20220111554
- Publication date Apr 14, 2022
- QINGDAO UNIVERSITY OF TECHNOLOGY
- Changhe LI
- B28 - WORKING CEMENT, CLAY, OR STONE