Inventor
LIU CHUNHAI
CN28 patents
⚠️ This page may combine multiple inventors who share the name “LIU CHUNHAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CITIC DICASTAL CO LTD
24 patentsUS9863838B2Jan 9, 2018
Air tightness detection device for aluminum alloy wheel hub and method for detecting air tightness of wheel hub
CITIC DICASTAL CO LTD3 citations71
US10234352B2Mar 19, 2019
Device and method for measuring air tightness of aluminum alloy hub or tyre
CITIC DICASTAL CO LTD2 citations70
USD1043504SSep 24, 2024
Vehicle wheel
CITIC DICASTAL CO LTD0 citations61
USD1043506SSep 24, 2024
Vehicle wheel
CITIC DICASTAL CO LTD0 citations61
USD1043505SSep 24, 2024
Vehicle wheel
CITIC DICASTAL CO LTD0 citations61
USD1032450SJun 25, 2024
Vehicle wheel
CITIC DICASTAL CO LTD1 citations61
USD1032449SJun 25, 2024
Vehicle wheel
CITIC DICASTAL CO LTD1 citations61
USD1031580SJun 18, 2024
Vehicle wheel
CITIC DICASTAL CO LTD0 citations61
USD1031579SJun 18, 2024
Vehicle wheel
CITIC DICASTAL CO LTD0 citations61
USD1031581SJun 18, 2024
Vehicle wheel
CITIC DICASTAL CO LTD0 citations61
USD1027789SMay 21, 2024
Vehicle wheel
CITIC DICASTAL CO LTD1 citations61
USD1027787SMay 21, 2024
Vehicle wheel
CITIC DICASTAL CO LTD0 citations61
USD1027788SMay 21, 2024
Vehicle wheel
CITIC DICASTAL CO LTD0 citations61
US11662276B2May 30, 2023
Fatigue test equipment for automobile chassis simulation road test
CITIC DICASTAL CO LTD0 citations61
US11207760B2Dec 28, 2021
Thermal treatment and shot peening method for wheel
CITIC DICASTAL CO LTD0 citations60
US10429264B1Oct 1, 2019
Device for detecting balance of hub valve hole
CITIC DICASTAL CO LTD1 citations59
US11041230B2Jun 22, 2021
Magnesium alloy and preparation method thereof
CITIC DICASTAL CO LTD0 citations56
US11326241B2May 10, 2022
Plastic wrought magnesium alloy and preparation method thereof
CITIC DICASTAL CO LTD0 citations50
US11097561B2Aug 24, 2021
Automatic hub type identifying device
CITIC DICASTAL CO LTD0 citations50
US10466133B1Nov 5, 2019
Device for removing valve hole sealing substitute from hub
CITIC DICASTAL CO LTD0 citations50
US10494699B2Dec 3, 2019
Method of refining aluminum alloy
CITIC DICASTAL CO LTD0 citations48
US9709464B2Jul 18, 2017
Drum for simulating road surfaces
CITIC DICASTAL CO LTD0 citations48
US10953705B2Mar 23, 2021
Automatic constant pressure device for hub tire system
CITIC DICASTAL CO LTD0 citations46
US10386270B2Aug 20, 2019
Method for simulating real impact test of vehicle wheels
CITIC DICASTAL CO LTD0 citations39