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Ray O. Knoeppel
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Hartland, WI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Sacrifical anode control for a water heater
Patent number
11,788,771
Issue date
Oct 17, 2023
A. O. Smith Corporation
Andrew William Phillips
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Dual input water heater
Patent number
11,435,113
Issue date
Sep 6, 2022
A. O. Smith Corporation
Ray O. Knoeppel
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Grant
System and method for accellerated heating of a fluid
Patent number
11,009,260
Issue date
May 18, 2021
A. O. Smith Corporation
Ray Oliver Knoeppel
G05 - CONTROLLING REGULATING
Information
Patent Grant
System and method of controlling a water heater having a powered anode
Patent number
10,612,817
Issue date
Apr 7, 2020
A. O. Smith Corporation
Ray Oliver Knoeppel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
System and method for determining an abnormal condition of a water...
Patent number
10,465,945
Issue date
Nov 5, 2019
A. O. Smith Corporation
Ray Oliver Knoeppel
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Sacrificial anode control
Patent number
9,267,209
Issue date
Feb 23, 2016
A. O. Smith Corporation
Ray Oliver Knoeppel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Water storage device having a powered anode
Patent number
8,162,232
Issue date
Apr 24, 2012
AOS Holding Company
Ray Oliver Knoeppel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Storage-type water heater having tank condition monitoring features
Patent number
8,068,727
Issue date
Nov 29, 2011
AOS Holding Company
Andrew William Phillips
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Resistor anode assembly
Patent number
8,023,807
Issue date
Sep 20, 2011
AOS Holding Company
Ray O. Knoeppel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Fluid-heating apparatus, circuit for heating a fluid, and method of...
Patent number
7,706,670
Issue date
Apr 27, 2010
AOS Holding Company
Ray O. Knoeppel
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Water heater with pressurized combustion
Patent number
7,513,221
Issue date
Apr 7, 2009
AOS Holding Company
Marc W. Akkala
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Water-resistant porcelain enamel coatings and method of manufacturi...
Patent number
7,410,672
Issue date
Aug 12, 2008
AOS Holding Company
James D Waters
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Water storage device having a powered anode
Patent number
7,372,005
Issue date
May 13, 2008
AOS Holding Company
Ray Oliver Knoeppel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Fluid-heating apparatus, circuit for heating a fluid, and method of...
Patent number
7,256,372
Issue date
Aug 14, 2007
AOS Holding Company
Ray O. Knoeppel
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Fluid-heating apparatus, circuit for heating a fluid, and method of...
Patent number
7,209,651
Issue date
Apr 24, 2007
AOS Holding Company
Ray O. Knoeppel
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Water heater with pressurized combustion
Patent number
7,032,543
Issue date
Apr 25, 2006
AOS Holding Company
Marc W. Akkala
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Water-resistant porcelain enamel coatings and method of manufacturi...
Patent number
6,821,567
Issue date
Nov 23, 2004
AOS Holding Company
James D. Waters
Information
Patent Grant
Inlet heat recovery module for water heater
Patent number
6,532,906
Issue date
Mar 18, 2003
AOS Holding Company
Ray O. Knoeppel
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Gold-plated water heater element and method of making same
Patent number
6,262,401
Issue date
Jul 17, 2001
AOS Holding Company
Ray O. Knoeppel
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Combined potable water heater and hydronic heating system
Patent number
6,202,935
Issue date
Mar 20, 2001
AOS Holding Company
Marc W. Akkala
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Scale-inhibiting heating element and method of making same
Patent number
6,205,291
Issue date
Mar 20, 2001
A. O. Smith Corporation
Dennis R. Hughes
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Information
Patent Application
SACRIFICAL ANODE CONTROL FOR A WATER HEATER
Publication number
20220373225
Publication date
Nov 24, 2022
A.O. Smith Corporation
Andrew William Phillips
F24 - HEATING RANGES VENTILATING
Information
Patent Application
SYSTEM AND METHOD FOR PREDICTING TANK FAILURE OF A WATER HEATER
Publication number
20200348049
Publication date
Nov 5, 2020
A.O. Smith Corporation
Ray Oliver Knoeppel
F24 - HEATING RANGES VENTILATING
Information
Patent Application
DUAL INPUT WATER HEATER
Publication number
20190242620
Publication date
Aug 8, 2019
Ray O. Knoeppel
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
SYSTEM AND METHOD FOR ACCELLERATED HEATING OF A FLUID
Publication number
20190212035
Publication date
Jul 11, 2019
A.O. Smith Corporation
Ray Oliver Knoeppel
G05 - CONTROLLING REGULATING
Information
Patent Application
GLASS-COATED WATER HEATER CONSTRUCTED OF MULTIPLE METALS
Publication number
20190049146
Publication date
Feb 14, 2019
A.O. Smith Corporation
Ray Oliver Knoeppel
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
SYSTEM AND METHOD FOR DETERMINING AN ABNORMAL CONDITION OF A WATER...
Publication number
20180142922
Publication date
May 24, 2018
A.O. Smith Corporation
Ray Oliver Knoeppel
F24 - HEATING RANGES VENTILATING
Information
Patent Application
SYSTEM AND METHOD OF CONTROLLING A WATER HEATER HAVING A POWERED ANODE
Publication number
20180128514
Publication date
May 10, 2018
A.O. Smith Corporation
Ray Oliver Knoeppel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SACRIFICIAL ANODE CONTROL
Publication number
20140262822
Publication date
Sep 18, 2014
Ray Oliver Knoeppel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
RESISTOR ANODE ASSEMBLY
Publication number
20110296674
Publication date
Dec 8, 2011
Ray O. Knoeppel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
WATER HEATER WITH PRESSURIZED COMBUSTION
Publication number
20090250017
Publication date
Oct 8, 2009
Marc W. Akkala
F24 - HEATING RANGES VENTILATING
Information
Patent Application
RESISTOR ANODE ASSEMBLY
Publication number
20090179025
Publication date
Jul 16, 2009
AOS Holding Company
Ray O. Knoeppel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STORAGE-TYPE WATER HEATER HAVING TANK CONDITION MONITORING FEATURES
Publication number
20090056644
Publication date
Mar 5, 2009
Andrew William Phillips
F24 - HEATING RANGES VENTILATING
Information
Patent Application
WATER STORAGE DEVICE HAVING A POWERED ANODE
Publication number
20080302784
Publication date
Dec 11, 2008
A.O. Smith Holding Company
Ray Oliver Knoeppel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
WATER STORAGE DEVICE HAVING A POWERED ANODE
Publication number
20080164334
Publication date
Jul 10, 2008
A.O. Smith Holding Company
Ray Oliver Knoeppel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
FLUID-HEATING APPARATUS, CIRCUIT FOR HEATING A FLUID, AND METHOD OF...
Publication number
20070177858
Publication date
Aug 2, 2007
Ray O. Knoeppel
F24 - HEATING RANGES VENTILATING
Information
Patent Application
Fluid-heating apparatus, circuit for heating a fluid, and method of...
Publication number
20070125764
Publication date
Jun 7, 2007
AOS Holding Company
Ray O. Knoeppel
F24 - HEATING RANGES VENTILATING
Information
Patent Application
Water heater with pressurized combustion
Publication number
20060150925
Publication date
Jul 13, 2006
AOS Holding Company
Marc W. Akkala
F24 - HEATING RANGES VENTILATING
Information
Patent Application
Water storage device having a powered anode
Publication number
20060083491
Publication date
Apr 20, 2006
A.O. Smith Holding Company
Ray Oliver Knoeppel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Water-resistant porcelain enamel coatings and method of manufacturi...
Publication number
20030082306
Publication date
May 1, 2003
AOS Holding Company
James D. Waters
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...