Inventor · disambiguated record
Dennis R. Hughes
Also filed as: HUGHES DENNIS · HUGHES DENNIS R · HUGHES DENNIS RAY
26 granted patents·5 pending applications·598 citations·filing 1984–2017
97Inventor score
Top patents by PatentIndex Score
31 records- 0193US6036480ACombustion burner for a water heaterAOS HOLDING CO·Filed 1998·Granted Mar 14, 2000·113 cites·48 claims
- 0290US4817564AWater heater constructionSMITH CORP A O·Filed 1988·Granted Apr 4, 1989·46 cites·22 claims
- 0389US6286465B1Water heater flue systemAOS HOLDING CO·Filed 2000·Granted Sep 11, 2001·39 cites·45 claims
- 0488US7354244B2Blower and method of conveying fluidsAOS HOLDING CO·Filed 2005·Granted Apr 8, 2008·30 cites·22 claims
- 0586US4823865ATurbulator construction for a heat exchangerSMITH CORP A O·Filed 1988·Granted Apr 25, 1989·59 cites·12 claims
- 0682US6205291B1Scale-inhibiting heating element and method of making sameSMITH CORP A O·Filed 1999·Granted Mar 20, 2001·39 cites·22 claims
- 0782US4577681AHeat exchanger having a turbulator constructionSMITH CORP A O·Filed 1984·Granted Mar 25, 1986·40 cites·4 claims
- 0880US6745724B2Water heater having flue damper with airflow apparatusAOS HOLDING CO·Filed 2003·Granted Jun 8, 2004·21 cites·28 claims
- 0980US6269780B1Water heater heat trapAOS HOLDING CO·Filed 2000·Granted Aug 7, 2001·24 cites·12 claims
- 1079US6557501B2Water heater having flue damper with airflow apparatusAOS HOLDING CO·Filed 2001·Granted May 6, 2003·18 cites·33 claims
- 1179US5347956AWater heater with integral mixing valveAOS HOLDING CO·Filed 1993·Granted Sep 20, 1994·37 cites·17 claims
- 1277US9228746B2Heating device having a secondary safety circuit for a fuel line and method of operating the sameHUGHES DENNIS R·Filed 2006·Granted Jan 5, 2016·14 cites·14 claims
- 1369US6422179B2Water heater flue systemAOS HOLDING CO·Filed 2001·Granted Jul 23, 2002·16 cites·30 claims
- 1468US7438023B2Heating device having a thermal cut-off circuit for a fuel line and method of operating the sameAOS HOLDING CO·Filed 2006·Granted Oct 21, 2008·6 cites·31 claims
- 1566US6202935B1Combined potable water heater and hydronic heating systemAOS HOLDING CO·Filed 1999·Granted Mar 20, 2001·26 cites·31 claims
- 1662US8047164B2Removable heat exchanger for a gas fired water heaterAOS HOLDING CO·Filed 2008·Granted Nov 1, 2011·1 cites·20 claims
- 1762US7277627B2Rooftop water heaterAOS HOLDING CO·Filed 2003·Granted Oct 2, 2007·12 cites·40 claims
- 1860US8596225B2Anti-stacking pump assembly for a water heater and method of operating the sameHUGHES DENNIS R·Filed 2008·Granted Dec 3, 2013·1 cites·16 claims
- 1958US4951614AWater heater constructionSMITH CORP A O·Filed 1989·Granted Aug 28, 1990·16 cites·6 claims
- 2056US6948454B2Airflow apparatusAOS HOLDING CO·Filed 2004·Granted Sep 27, 2005·7 cites·19 claims
- 2155USD833570SDevice to lift a motion decoyHUGHES DENNIS·Filed 2017·Granted Nov 13, 2018·0 cites·1 claims
- 2253US4911108AWater heater constructionSMITH CORP A O·Filed 1989·Granted Mar 27, 1990·13 cites·11 claims
- 2353US2005023818A1Books having removable panels for forming structuresFiled 2003·Application pending·0 cites
- 2449US6591788B2Rooftop water heaterAOS HOLDING CO·Filed 2000·Granted Jul 15, 2003·5 cites·25 claims
- 2549US2013319348A1Water heater having condensing recuperator and dual purpose pumpHUGHES DENNIS R·Filed 2012·Application pending·0 cites
- 2647US2010192874A1Pulse combustion system for a water heaterHUGHES DENNIS R·Filed 2009·Application pending·0 cites
- 2745US6679014B2Rooftop water heaterAOS HOLDING CO·Filed 2002·Granted Jan 20, 2004·3 cites·29 claims
- 2845US2011023349A1Device to lift a motion decoyHUGHES DENNIS·Filed 2010·Application pending·0 cites
- 2940US2010230209A1Quick disconnect ladder assemblyHUGHES TIM·Filed 2010·Application pending·0 cites
- 3039US6262401B1Gold-plated water heater element and method of making sameAOS HOLDING CO·Filed 1999·Granted Jul 17, 2001·6 cites·12 claims
- 3136US6276887B1Method of forming board book signaturesDONNELLEY R R & SONS·Filed 1999·Granted Aug 21, 2001·6 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →