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Patents Grants
last 30 patents
Information
Patent Grant
Oil mist recovery, separation and purification device for minimum q...
Patent number
11,898,699
Issue date
Feb 13, 2024
Qingdao University of Technology
Changhe Li
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Information
Patent Grant
Intelligent switching system for switching internal cooling and ext...
Patent number
11,819,932
Issue date
Nov 21, 2023
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe Li
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Internal cooling/external cooling-switching milling minimum-quantit...
Patent number
11,794,297
Issue date
Oct 24, 2023
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe Li
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Milling system and method under different lubrication conditions
Patent number
11,766,753
Issue date
Sep 26, 2023
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe Li
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Device for recovering, separating and purifying oil mist in minimum...
Patent number
11,441,729
Issue date
Sep 13, 2022
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe Li
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Milling system and method under different lubrication conditions
Patent number
11,161,210
Issue date
Nov 2, 2021
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe Li
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Milling system and method under different lubrication conditions
Patent number
11,084,136
Issue date
Aug 10, 2021
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe Li
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
INTERNAL COOLING/EXTERNAL COOLING-SWITCHING MILLING MINIMUM-QUANTIT...
Publication number
20220143769
Publication date
May 12, 2022
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
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Information
Patent Application
INTELLIGENT SWITCHING SYSTEM FOR SWITCHING INTERNAL COOLING AND EXT...
Publication number
20220143719
Publication date
May 12, 2022
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
MILLING SYSTEM AND METHOD UNDER DIFFERENT LUBRICATION CONDITIONS
Publication number
20210402540
Publication date
Dec 30, 2021
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
OIL MIST RECOVERY, SEPARATION AND PURIFICATION DEVICE FOR MINIMUM Q...
Publication number
20210387300
Publication date
Dec 16, 2021
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
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Information
Patent Application
METHOD AND SYSTEM FOR INJECTING CUTTING FLUID DURING MILLING UNDER...
Publication number
20210331281
Publication date
Oct 28, 2021
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
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Information
Patent Application
DEVICE FOR RECOVERING, SEPARATING AND PURIFYING OIL MIST IN MINIMUM...
Publication number
20200248867
Publication date
Aug 6, 2020
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe Li
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
MILLING SYSTEM AND METHOD UNDER DIFFERENT LUBRICATION CONDITIONS
Publication number
20200164447
Publication date
May 28, 2020
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
MILLING SYSTEM AND METHOD UNDER DIFFERENT LUBRICATION CONDITIONS
Publication number
20200164476
Publication date
May 28, 2020
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
MILLING TOOL DEVICE FOR AUXILIARY CHIP BREAKING AND TOOL SYSTEM FOR...
Publication number
20200164475
Publication date
May 28, 2020
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
MDOF MICRO-LUBRICATION INTELLIGENT SPRAY HEAD SYSTEM FOR CNC MILLIN...
Publication number
20200086441
Publication date
Mar 19, 2020
QINGDAO UNIVERSITY OF TECHNOLOGY
Changhe LI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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