Fengwei Yan

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Foshan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Ventilating device
- Patent number 9,903,377
- Issue date Feb 27, 2018
- Panasonic Ecology Systems Guangdong Co., Ltd.
- Yanbiao He
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
VENTILATING DEVICE
- Publication number 20150003980
- Publication date Jan 1, 2015
- Panasonic Ecology Systems Guangdong Co., Ltd.
- Yanbiao He
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...