Patents/Inventors

Yanniu Ren

ChengduCN3 patents

4 Patents

US121808082024
All-metal Intelligent Control Motor
Sichuan Xieming Technology Co., Ltd.
0 cites
US119270772024
High-frequency Composite Impactor
Sichuan Xieming Technology Co., Ltd.
0 cites
US118349282023
Drill String Rotation Controller for Directional Drilling
Sichuan Xieming Technology Co., Ltd.
0 cites
US118281492023
Fracking Tool with Electromagnetic Intelligent Control Sliding Sleeve
Sichuan Xieming Technology Co., Ltd.
0 cites