Guang Zhou

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Wuxi,Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Intelligent oil extraction system using all-metal screw pump
- Patent number 11,913,312
- Issue date Feb 27, 2024
- WUXI HENGXIN BEISHI TECHNOLOGY CO., LTD
- Haiyang Liang
- E21 - EARTH DRILLING MINING
Information Patent Grant
All-metal conical combined screw pump suitable for petroleum field
- Patent number 11,841,018
- Issue date Dec 12, 2023
- WUXI HENGXIN BEISHI TECHNOLOGY CO., LTD
- Haiyang Liang
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
All-metal conical combined screw pump suitable for petroleum field
- Publication number 20220090599
- Publication date Mar 24, 2022
- WUXI HENGXIN BEISHI TECHNOLOGY CO., LTD
- Haiyang Liang
- E21 - EARTH DRILLING MINING
Information Patent Application
Intelligent oil extraction system using all-metal screw pump
- Publication number 20220056791
- Publication date Feb 24, 2022
- WUXI HENGXIN BEISHI TECHNOLOGY CO., LTD
- Haiyang Liang
- E21 - EARTH DRILLING MINING