Baoquan LIU

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Hengshui, Hebei, CN

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Patents Grantslast 30 patents

Information Patent Grant
Tower packer for packing cement slurry of jacket
- Patent number 11,634,879
- Issue date Apr 25, 2023
- HENGXIANG TECHNOLOGY INC., LTD
- Baoquan Liu
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Y-SHAPED PACKER
- Publication number 20240392879
- Publication date Nov 28, 2024
- HENGXIANG TECHNOLOGY INC., LTD
- Meiqin MA
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
TOWER PACKER FOR PACKING CEMENT SLURRY OF JACKET
- Publication number 20210324595
- Publication date Oct 21, 2021
- HENGXIANG TECHNOLOGY INC., LTD
- Baoquan LIU
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...