Assignee
WUXI HENGXIN BEISHI TECH CO LTD
CN·2 granted patents·0 citations·filing 2019–2019
Top patents by PatentIndex Score
2 records- 0146US11841018B2All-metal conical combined screw pump suitable for petroleum fieldWUXI HENGXIN BEISHI TECH CO LTD·Filed 2019·Granted Dec 12, 2023·0 cites·11 claims
- 0231US11913312B2Intelligent oil extraction system using all-metal screw pumpWUXI HENGXIN BEISHI TECH CO LTD·Filed 2019·Granted Feb 27, 2024·0 cites·8 claims
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