Jianbing YIN

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Huaian, CN

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Patents Grantslast 30 patents

Information Patent Grant
Air-flow channel structure of air pump, micro air pump, waterproof...
- Patent number 12,049,898
- Issue date Jul 30, 2024
- Jiangsu Guorun Electric Co., Ltd.
- Houxi Rao
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
AIR-FLOW CHANNEL STRUCTURE OF AIR PUMP, MICRO AIR PUMP, WATERPROOF...
- Publication number 20230136866
- Publication date May 4, 2023
- Huaian Guorun Electric Co., Ltd.
- Houxi RAO
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...