Juying Shi

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Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Dual-purpose inflator pump
- Patent number 12,148,581
- Issue date Nov 19, 2024
- Dongguan Hongyu Plastic Co., Ltd.
- Juying Shi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Bidirectional air pump
- Patent number 12,098,731
- Issue date Sep 24, 2024
- DONGGUAN HONGYU PLASTIC CO., LTD
- Juying Shi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...