Patents/Inventors

Minghui Zhu

ShanghaiCN1 patent

2 Patents

US116732972023
Molding Method for Producing a Stator for a Screw Drilling Tool Using Elastomer Material
SHANGHAI PUJIA DRILLING TECHNOLOGY CO., Ltd.
0 cites
US115550872023
Prepolymer of Elastomer Material for Screw Drilling Tool and Preparation Method Thereof
SHANGHAI PUJIA DRILLING TECHNOLOGY CO., Ltd.
0 cites