Inventor · disambiguated record
Ray O. Knoeppel
Also filed as: KNOEPPEL RAY O · KNOEPPEL RAY OLIVER
20 granted patents·4 pending applications·281 citations·filing 1999–2021
95Inventor score
Top patents by PatentIndex Score
24 records- 0198US7032543B1Water heater with pressurized combustionAOS HOLDING CO·Filed 2005·Granted Apr 25, 2006·53 cites·32 claims
- 0297US7209651B1Fluid-heating apparatus, circuit for heating a fluid, and method of operating the sameAOS HOLDING CO·Filed 2005·Granted Apr 24, 2007·51 cites·16 claims
- 0388US7513221B2Water heater with pressurized combustionAOS HOLDING CO·Filed 2006·Granted Apr 7, 2009·13 cites·13 claims
- 0485US8068727B2Storage-type water heater having tank condition monitoring featuresPHILLIPS ANDREW WILLIAM·Filed 2008·Granted Nov 29, 2011·22 cites·31 claims
- 0584US7706670B2Fluid-heating apparatus, circuit for heating a fluid, and method of operating the sameAOS HOLDING CO·Filed 2007·Granted Apr 27, 2010·11 cites·19 claims
- 0684US7372005B2Water storage device having a powered anodeAOS HOLDING CO·Filed 2004·Granted May 13, 2008·17 cites·10 claims
- 0784US7256372B2Fluid-heating apparatus, circuit for heating a fluid, and method of operating the sameAOS HOLDING CO·Filed 2005·Granted Aug 14, 2007·13 cites·32 claims
- 0882US6205291B1Scale-inhibiting heating element and method of making sameSMITH CORP A O·Filed 1999·Granted Mar 20, 2001·39 cites·22 claims
- 0979US11009260B2System and method for accellerated heating of a fluidSMITH CORP A O·Filed 2019·Granted May 18, 2021·1 cites·19 claims
- 1075US6532906B1Inlet heat recovery module for water heaterAOS HOLDING CO·Filed 2002·Granted Mar 18, 2003·18 cites·31 claims
- 1172US8023807B2Resistor anode assemblyAOS HOLDING CO·Filed 2008·Granted Sep 20, 2011·3 cites·15 claims
- 1270US8162232B2Water storage device having a powered anodeKNOEPPEL RAY OLIVER·Filed 2008·Granted Apr 24, 2012·4 cites·10 claims
- 1366US6202935B1Combined potable water heater and hydronic heating systemAOS HOLDING CO·Filed 1999·Granted Mar 20, 2001·26 cites·31 claims
- 1463US9267209B2Sacrificial anode controlSMITH CORP A O·Filed 2013·Granted Feb 23, 2016·1 cites·13 claims
- 1562US11788771B2Sacrifical anode control for a water heaterSMITH CORP A O·Filed 2021·Granted Oct 17, 2023·0 cites·19 claims
- 1658US2009250017A1Water heater with pressurized combustionAKKALA MARC W·Filed 2009·Application pending·0 cites
- 1755US11435113B2Dual input water heaterSMITH CORP A O·Filed 2019·Granted Sep 6, 2022·0 cites·19 claims
- 1854US7410672B2Water-resistant porcelain enamel coatings and method of manufacturing sameAOS HOLDING CO·Filed 2002·Granted Aug 12, 2008·3 cites·49 claims
- 1952US2011296674A1Resistor anode assemblyKNOEPPEL RAY O·Filed 2011·Application pending·0 cites
- 2051US10465945B2System and method for determining an abnormal condition of a water heaterSMITH CORP A O·Filed 2017·Granted Nov 5, 2019·0 cites·24 claims
- 2150US10612817B2System and method of controlling a water heater having a powered anodeSMITH CORP A O·Filed 2017·Granted Apr 7, 2020·0 cites·20 claims
- 2248US2020348049A1System and method for predicting tank failure of a water heaterSMITH CORP A O·Filed 2020·Application pending·0 cites
- 2347US2019049146A1Glass-coated water heater constructed of multiple metalsSMITH CORP A O·Filed 2017·Application pending·0 cites
- 2439US6262401B1Gold-plated water heater element and method of making sameAOS HOLDING CO·Filed 1999·Granted Jul 17, 2001·6 cites·12 claims
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