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Patents Grants
last 30 patents
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Patent Grant
Fluid-heating apparatus and methods of operating the same
Patent number
8,530,799
Issue date
Sep 10, 2013
A.O. Smith (China) Water Heater Company, Ltd.
Wei Ding
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Mixed energy heater with constant temperature control
Patent number
8,437,626
Issue date
May 7, 2013
A. O. Smith Corporation
Wei Ding
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Information
Patent Application
SCALE INHIBITOR
Publication number
20140042075
Publication date
Feb 13, 2014
A.O. Smith Corporation
Wei Ding
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
CONDENSING GAS WATER HEATER
Publication number
20140033994
Publication date
Feb 6, 2014
A.O. Smith Corporation
Wei DING
F24 - HEATING RANGES VENTILATING
Information
Patent Application
MIXED ENERGY HEATER WITH CONSTANT TEMPERATURE CONTROL
Publication number
20100111508
Publication date
May 6, 2010
A.O. Smith Corporation
Wei Ding
F24 - HEATING RANGES VENTILATING
Information
Patent Application
Fluid-heating apparatus and methods of operating the same
Publication number
20070108187
Publication date
May 17, 2007
Wei Ding
F24 - HEATING RANGES VENTILATING