Patents/Inventors

Lanhui Mao

ChengduCN3 patents

4 Patents

US124355692025
Directional Well Hydraulic Clutch Drill String Full Rotation Controller
SICHUAN XIEMING TECHNOLOGY CO., Ltd.
0 cites
US119270772024
High-frequency Composite Impactor
Sichuan Xieming Technology Co., Ltd.
0 cites
US118281492023
Fracking Tool with Electromagnetic Intelligent Control Sliding Sleeve
Sichuan Xieming Technology Co., Ltd.
0 cites
US117884072023
Downhole Signal Receiving and Transmitting Device
Sichuan Xieming Technology Co, Ltd.
0 cites