Inventor
LU YIQIANG
CN8 patents
Patents
8 patentsUS11905775B2Feb 20, 2024
Driving system for core drilling rig
UNIV SHENZHEN0 citations51
US11781382B2Oct 10, 2023
Drilling mechanism of coring drilling rig
UNIV SHENZHEN0 citations51
US11761283B2Sep 19, 2023
Core barrel sealing structure capable of increasing sealing-specific pressure
UNIV SHENZHEN0 citations51
US11859450B2Jan 2, 2024
Drilling fluid channel structure of core drilling rig
UNIV SHENZHEN0 citations50
US11788370B2Oct 17, 2023
Drilling control mechanism of core drilling rig
UNIV SHENZHEN0 citations50
US11788371B2Oct 17, 2023
Coring device
UNIV SHENZHEN0 citations50
US11773673B2Oct 3, 2023
Coring drill tool driving structure
UNIV SHENZHEN0 citations50
US11773670B2Oct 3, 2023
Control mechanism of core drilling rig
UNIV SHENZHEN0 citations50