Patents/Inventors

Junlong Du

ShandongCN1 patent

2 Patents

US123451722025
Fracturing Device, Engine and Exhaust Apparatus Thereof
Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
0 cites
US122920672025
Turbine Engine Air Intake System and Cabin
Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
0 cites