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Qingdao, CN
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Patents Grants
last 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
Production line of CA abrasive
Patent number
11,897,165
Issue date
Feb 13, 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
Information
Patent Grant
Slurry scraping mechanism and applying and scraping device used in...
Patent number
11,633,876
Issue date
Apr 25, 2023
Qingdao University of Technology
Changhe Li
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Nanofluid minimum quantity lubrication grinding device of ultrasoni...
Patent number
11,597,049
Issue date
Mar 7, 2023
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe Li
B24 - GRINDING POLISHING
Information
Patent Grant
Milling machine processing system with intelligently follow-up cutt...
Patent number
11,524,379
Issue date
Dec 13, 2022
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe Li
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 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
Information
Patent Application
SLURRY SCRAPING MECHANISM AND APPLYING AND SCRAPING DEVICE USED IN...
Publication number
20210402569
Publication date
Dec 30, 2021
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
B24 - GRINDING POLISHING
Information
Patent Application
PRODUCTION LINE OF CA ABRASIVE
Publication number
20210339426
Publication date
Nov 4, 2021
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
SLURRY SCREEDING MECHANISM AND COATING AND SCREEDING APPARATUS USED...
Publication number
20210062057
Publication date
Mar 4, 2021
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
MILLING MACHINE PROCESSING SYSTEM WITH INTELLIGENTLY FOLLOW-UP CUTT...
Publication number
20200368867
Publication date
Nov 26, 2020
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
MILLING MACHINE PROCESSING SYSTEM WITH INTELLIGENTLY FOLLOW-UP CUTT...
Publication number
20200114483
Publication date
Apr 16, 2020
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
NANOFLUID MINIMUM QUANTITY LUBRICATION GRINDING DEVICE OF ULTRASONI...
Publication number
20200023485
Publication date
Jan 23, 2020
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
B24 - GRINDING POLISHING