Method and device for realizing automatic adjustment of bidirectional torsion of drill string
HE HONGTAO, WANG JIANYE, YIN WENBO, WANG HAIBIN, LYU SHUQUAN, ZHANG XIMIN
Year of Publication 19.07.2024
Get full text
Year of Publication 19.07.2024
Patent
Invisible supporting structure of gypsum board suspended ceiling
TANG JIAXING, WANG JUNQIANG, LYU SHUQUAN, SONG JIAWEI, JIAO PENGBO, ZHANG FAN
Year of Publication 25.04.2023
Get full text
Year of Publication 25.04.2023
Patent
Automatic bit feeding anti-stall device and method
HE HONGTAO, XU JIANHUI, ZHOU BO, YIN WENBO, LI SHENGZHONG, CAI CHENGJING, LYU SHUQUAN, JIANG ZHENGQING, ZHAO HENG, HAN FUCHANG
Year of Publication 28.11.2023
Get full text
Year of Publication 28.11.2023
Patent
Self-adaptive pressure stabilizing device
DING XIANGCHUN, LYU SHUQUAN, ZHOU YANJUN, LI WENFEI, DU CHAO, XIAO XINLEI
Year of Publication 24.12.2021
Get full text
Year of Publication 24.12.2021
Patent
Device convenient for maintenance and replacement of undercounter of toilet
LIU WENHONG, LYU SHUQUAN, ZHAO WEI, ZHANG JIAN'AN, JIAO PENGBO, ZHANG FAN
Year of Publication 25.12.2020
Get full text
Year of Publication 25.12.2020
Patent
Silica gel anti-collision closestool
XIONG GUOLONG, WANG JIHONG, LYU SHUQUAN, ZHONG ZHENYU, XIONG HAITONG, ZHOU BENKE
Year of Publication 06.11.2020
Get full text
Year of Publication 06.11.2020
Patent