Inventor
LV JINQI
CN7 patents
Patents
7 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
US10495539B2Dec 3, 2019
Aluminum alloy hub positioning fixture
CITIC DICASTAL CO LTD2 citations66
US10466136B2Nov 5, 2019
Leak hole leak rate detection device and method
CITIC DICASTAL CO LTD1 citations60
US11097561B2Aug 24, 2021
Automatic hub type identifying device
CITIC DICASTAL CO LTD0 citations50
US10823543B2Nov 3, 2020
Sample gauge length and length after fracture measuring device
CITIC DICASTAL CO LTD0 citations45
US10769396B2Sep 8, 2020
Device for identifying aluminum alloy die-cast hub
CITIC DICASTAL CO LTD0 citations37