3 Patents
- US123951102025Multi-winding-motor Driving System, Variable-frequency Electric Driving System, Pumping System, Fracturing Device and Wellsite Equipment
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., Ltd.
0 cites - US118675942024Evaluation Method and Evaluation Device of Health State of Well Site Equipment, and Storage Medium
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., Ltd.
0 cites - US115867722023Method and Device for Displaying Information
Beijing Bytedance Network Technology Co., Ltd.
0 cites