Jianlin WANG

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Dongying, CN

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Patents Grantslast 30 patents

Information Patent Grant
Oil well monitoring apparatus and method
- Patent number 11,873,713
- Issue date Jan 16, 2024
- Shandong Tiangong Petroleum Equipment Co., Ltd.
- Haifeng Tian
- E21 - EARTH DRILLING MINING
Information Patent Grant
One-way flow monitoring device and oil well liquid production capac...
- Patent number 11,319,800
- Issue date May 3, 2022
- Haifeng Tian
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
OIL WELL MONITORING APPARATUS AND METHOD
- Publication number 20210062648
- Publication date Mar 4, 2021
- Shandong Tiangong Petroleum Equipment Co., Ltd.
- Haifeng Tian
- E21 - EARTH DRILLING MINING
Information Patent Application
One-Way Flow Monitoring Device and Oil Well Liquid Production Capac...
- Publication number 20190242242
- Publication date Aug 8, 2019
- Haifeng TIAN
- G01 - MEASURING TESTING