Ren LIU

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Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Ultra-high power cementing apparatus integrated with remote control
- Patent number 12,012,822
- Issue date Jun 18, 2024
- Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Yanfeng Wang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Full-Electric Drive Cementing Control System
- Publication number 20240226832
- Publication date Jul 11, 2024
- YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
- Pengyuan ZHANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Full-Electric Drive Cementing Control System
- Publication number 20240131486
- Publication date Apr 25, 2024
- YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
- Pengyuan ZHANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
NEW ULTRA-HIGH POWER CEMENTING APPARATUS INTEGRATED WITH REMOTE CON...
- Publication number 20210172282
- Publication date Jun 10, 2021
- YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
- Yanfeng WANG
- E21 - EARTH DRILLING MINING