Qingren LIN

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Yantai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Heavy oil lifting device and heavy oil lifting method
- Patent number 12,084,950
- Issue date Sep 10, 2024
- Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Qili Cui
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
COMPREHENSIVE ENERGY MANAGEMENT METHOD AND SYSTEM, WELL SITE BASED...
- Publication number 20240183262
- Publication date Jun 6, 2024
- YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
- Weiliang CHEN
- E21 - EARTH DRILLING MINING
Information Patent Application
Heavy Oil Lifting Device and Heavy Oil Lifting Method
- Publication number 20220412196
- Publication date Dec 29, 2022
- YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
- Qili CUI
- E21 - EARTH DRILLING MINING