Zhiyuan MA

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Zhongshan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Vehicle-mounted gas water heater
- Patent number 11,292,316
- Issue date Apr 5, 2022
- Zhongshan Powtek Appliances Mfg., Ltd
- Xianwei Feng
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
FUME HOOD STRUCTURE FOR PORTABLE WATER HEATER
- Publication number 20240085057
- Publication date Mar 14, 2024
- ZHONGSHAN POWTEK APPLIANCES MFG., LTD.
- Xianwei FENG
- F24 - HEATING RANGES VENTILATING
Information Patent Application
PORTABLE WATER HEATER
- Publication number 20240077229
- Publication date Mar 7, 2024
- ZHONGSHAN POWTEK APPLIANCES MFG., LTD.
- Xianwei FENG
- F24 - HEATING RANGES VENTILATING
Information Patent Application
VEHICLE-MOUNTED GAS WATER HEATER
- Publication number 20190241045
- Publication date Aug 8, 2019
- Zhongshan Powtek Appliances Mfg.,Ltd
- Xianwei FENG
- B60 - VEHICLES IN GENERAL