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Nanjing, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Combustion control system of gas water heater or wall-hanging boile...
Patent number
10,309,687
Issue date
Jun 4, 2019
A. O. Smith Corporation
Bu Qiu
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Water heater having a waterway changeover control apparatus and met...
Patent number
9,897,333
Issue date
Feb 20, 2018
A. O. Smith Corporation
Xingpeng Ru
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Water heater having a waterway changeover control apparatus and met...
Patent number
9,151,506
Issue date
Oct 6, 2015
A. O. Smith Corporation
Xingpeng Ru
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Information
Patent Application
COMBUSTION CONTROL SYSTEM OF GAS WATER HEATER OR WALL-HANGING BOILE...
Publication number
20170336099
Publication date
Nov 23, 2017
A.O. SMITH (CHINA) WATER HEATER CO., LTD.
Bu QIU
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
WATER HEATER HAVING A WATERWAY CHANGEOVER CONTROL APPARATUS AND MET...
Publication number
20160054008
Publication date
Feb 25, 2016
A.O. Smith Corporation
Xingpeng Ru
F24 - HEATING RANGES VENTILATING
Information
Patent Application
WATER HEATER HAVING A WATERWAY CHANGEOVER CONTROL APPARATUS AND MET...
Publication number
20120090598
Publication date
Apr 19, 2012
Xingpeng Ru
F24 - HEATING RANGES VENTILATING