Ziwen FU

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Nanjing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Gas mixing device and gas water heating device
- Patent number 11,808,453
- Issue date Nov 7, 2023
- A. O. Smith Corporation
- Yanli Duan
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Water heater having highly efficient and compact heat exchanger
- Patent number 11,761,677
- Issue date Sep 19, 2023
- A. O. Smith Corporation
- Ziwen Fu
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Gas mixing device and gas water heating device
- Patent number 11,585,573
- Issue date Feb 21, 2023
- A. O. Smith Corporation
- Le Zhao
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Gas water heating apparatus
- Patent number 10,823,456
- Issue date Nov 3, 2020
- A. O. Smith Corporation
- Yijun Xu
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Constant pressure switch apparatus and water heating system
- Patent number 10,712,022
- Issue date Jul 14, 2020
- A. O. Smith Corporation
- Aiguo Wei
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
WATER HEATER HAVING HIGHLY EFFICIENT AND COMPACT HEAT EXCHANGER
- Publication number 20230026841
- Publication date Jan 26, 2023
- A.O. Smith Corporation
- Ziwen Fu
- F24 - HEATING RANGES VENTILATING
Information Patent Application
GAS MIXING DEVICE AND GAS WATER HEATING DEVICE
- Publication number 20220228743
- Publication date Jul 21, 2022
- A.O. SMITH (CHINA) WATER HEATER CO., LTD.
- Yanli DUAN
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
GAS MIXING DEVICE AND GAS WATER HEATING DEVICE
- Publication number 20210404706
- Publication date Dec 30, 2021
- A.O. SMITH (CHINA) WATER HEATER CO., LTD.
- Le ZHAO
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
GAS WATER HEATING APPARATUS
- Publication number 20180266727
- Publication date Sep 20, 2018
- A.O. SMITH (CHINA) WATER HEATER CO., LTD.
- Yijun Xu
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Constant Pressure Switch Apparatus and Water Heating System
- Publication number 20180238562
- Publication date Aug 23, 2018
- A.O. SMITH (CHINA) WATER HEATER CO., LTD.
- Aiguo WEI
- F24 - HEATING RANGES VENTILATING