Patents/Inventors

Zhengchun Michael Liu

Sugar Land, TXUS4 patents

3 Patents

US125957282026
Pack Off Indicator for a Wellbore Operation
Landmark Graphics Corporation
0 cites
US123788712025
Pack Off Indicator for a Wellbore Operation
Landmark Graphics Corporation
0 cites
US119204552024
Friction for Cutting Plug
Landmark Graphics Corporation
0 cites