Assignee
NORITZ CORP
JP·211 granted patents·75 pending applications·958 citations·filing 2002–2025
Top patents by PatentIndex Score
286 records- 0197US9228742B2Rich-lean combustion burner and combustion apparatusNORITZ CORP·Filed 2012·Granted Jan 5, 2016·113 cites·11 claims
- 0295US10408549B2Heat exchanger, hot water apparatus, and method of manufacturing heat exchangerNORITZ CORP·Filed 2017·Granted Sep 10, 2019·10 cites·11 claims
- 0394US11204128B2Wall fixing bracket and heat source apparatus unitNORITZ CORP·Filed 2020·Granted Dec 21, 2021·3 cites·12 claims
- 0494US10393404B2Heat exchanger and hot water apparatusNORITZ CORP·Filed 2017·Granted Aug 27, 2019·10 cites·10 claims
- 0593US11287158B2Heat exchanger and hot water apparatusNORITZ CORP·Filed 2018·Granted Mar 29, 2022·6 cites·10 claims
- 0693US10088197B2Water heating apparatus and water heating systemNORITZ CORP·Filed 2016·Granted Oct 2, 2018·19 cites·13 claims
- 0792US7647897B2Heating apparatusNORITZ CORP·Filed 2005·Granted Jan 19, 2010·62 cites·3 claims
- 0892US7458340B2Water heaterNORITZ CORP·Filed 2005·Granted Dec 2, 2008·35 cites·9 claims
- 0991US11421946B2Heat exchanger and water heating apparatus including the sameNORITZ CORP·Filed 2020·Granted Aug 23, 2022·2 cites·3 claims
- 1091US9933185B2Fan and water heater provided with the same, and impeller and water heater provided with the sameNORITZ CORP·Filed 2015·Granted Apr 3, 2018·7 cites·6 claims
- 1190US11293702B2Heat exchanger and hot water apparatusNORITZ CORP·Filed 2019·Granted Apr 5, 2022·4 cites·9 claims
- 1290US10890356B2Heat exchange device and heat source machineNORITZ CORP·Filed 2019·Granted Jan 12, 2021·9 cites·4 claims
- 1390US10794640B2Heat exchanger and water heater including sameNORITZ CORP·Filed 2019·Granted Oct 6, 2020·4 cites·7 claims
- 1490US10295222B2Hot water apparatusNORITZ CORP·Filed 2017·Granted May 21, 2019·7 cites·12 claims
- 1590USD483844SGas water heaterNORITZ CORP·Filed 2002·Granted Dec 16, 2003·43 cites·1 claims
- 1689US10469308B2Communication adapter for collecting information about a system being monitoredNORITZ CORP·Filed 2016·Granted Nov 5, 2019·13 cites·8 claims
- 1789US10337763B2Water heating systemNORITZ CORP·Filed 2018·Granted Jul 2, 2019·4 cites·5 claims
- 1889USD612925SDuct jointNORITZ CORP·Filed 2009·Granted Mar 30, 2010·52 cites·1 claims
- 1988US11639813B2Water heating apparatus and water heating systemNORITZ CORP·Filed 2020·Granted May 2, 2023·2 cites·13 claims
- 2088USD847309SPipe adapter for water heaterNORITZ CORP·Filed 2018·Granted Apr 30, 2019·23 cites·1 claims
- 2187US11022342B2Heat exchanger and water heater including sameNORITZ CORP·Filed 2019·Granted Jun 1, 2021·2 cites·9 claims
- 2286US9829257B2Heat exchanger and water heaterNORITZ CORP·Filed 2013·Granted Nov 28, 2017·7 cites·15 claims
- 2386US7523721B2Heat exchanger and water heaterNORITZ CORP·Filed 2005·Granted Apr 28, 2009·19 cites·19 claims
- 2485US10948236B2Heat exchanger and water heater including sameNORITZ CORP·Filed 2019·Granted Mar 16, 2021·2 cites·9 claims
- 2585US6746236B2Combustion apparatusNORITZ CORP·Filed 2003·Granted Jun 8, 2004·28 cites·16 claims
- 2684US11359838B2Heat exchanger and manufacturing method thereforNORITZ CORP·Filed 2019·Granted Jun 14, 2022·2 cites·2 claims
- 2784US10168047B2Water heating apparatus and system having a scale detecting functionNORITZ CORP·Filed 2016·Granted Jan 1, 2019·4 cites·12 claims
- 2883US11384935B2Combustion apparatus and hot water apparatusNORITZ CORP·Filed 2019·Granted Jul 12, 2022·2 cites·5 claims
- 2983US10969142B2Heating and hot water supply apparatus and method of controlling the sameNORITZ CORP·Filed 2018·Granted Apr 6, 2021·2 cites·14 claims
- 3083USD842443SWater heaterNORITZ CORP·Filed 2018·Granted Mar 5, 2019·16 cites·1 claims
- 3182US11624526B2Heat exchanger and water heating device including the sameNORITZ CORP·Filed 2021·Granted Apr 11, 2023·3 cites·7 claims
- 3282US11391469B2Hot-water supply deviceNORITZ CORP·Filed 2019·Granted Jul 19, 2022·2 cites·2 claims
- 3382US10571152B2Reverse combustion type combustion apparatusNORITZ CORP·Filed 2018·Granted Feb 25, 2020·3 cites·3 claims
- 3482US7428883B2Heat exchanger and water heaterNORITZ CORP·Filed 2005·Granted Sep 30, 2008·16 cites·30 claims
- 3582US6918757B2Combustion apparatusNORITZ CORP·Filed 2003·Granted Jul 19, 2005·24 cites·22 claims
- 3682USD483451SGas water heaterNORITZ CORP·Filed 2002·Granted Dec 9, 2003·28 cites·1 claims
- 3781US11890886B2Method of manufacturing outer case for hot water unitNORITZ CORP·Filed 2019·Granted Feb 6, 2024·2 cites·6 claims
- 3881US10386092B2Water heaterNORITZ CORP·Filed 2015·Granted Aug 20, 2019·3 cites·19 claims
- 3981US9829204B2Water heater including heat exchangerNORITZ CORP·Filed 2013·Granted Nov 28, 2017·6 cites·12 claims
- 4079US11243033B2Heat exchanger and water heating apparatus including sameNORITZ CORP·Filed 2020·Granted Feb 8, 2022·2 cites·9 claims
- 4179US11149965B2Water heating system including multi-function heat source apparatusNORITZ CORP·Filed 2018·Granted Oct 19, 2021·3 cites·16 claims
- 4279US8776829B2Valve apparatus and water heating apparatusNORITZ CORP·Filed 2012·Granted Jul 15, 2014·7 cites·15 claims
- 4378US11378283B2Hot water supply deviceNORITZ CORP·Filed 2020·Granted Jul 5, 2022·1 cites·8 claims
- 4478US11029039B2Heating and hot water supplying deviceNORITZ CORP·Filed 2017·Granted Jun 8, 2021·2 cites·4 claims
- 4578USD823442SCap for pipe adapter for water heaterNORITZ CORP·Filed 2016·Granted Jul 17, 2018·18 cites·1 claims
- 4678US9921012B2Water heating apparatusNORITZ CORP·Filed 2013·Granted Mar 20, 2018·8 cites·13 claims
- 4778US9879859B2Combustion apparatus supplying combustion air via suction type fan and method for controlling the sameNORITZ CORP·Filed 2015·Granted Jan 30, 2018·2 cites·9 claims
- 4878USD483453SGas water heaterNORITZ CORP·Filed 2002·Granted Dec 9, 2003·23 cites·1 claims
- 4977US11946655B2Heating and hot-water supply apparatusNORITZ CORP·Filed 2019·Granted Apr 2, 2024·1 cites·6 claims
- 5077US10465944B2Heat exchanger and production method of the heat exchangerNORITZ CORP·Filed 2018·Granted Nov 5, 2019·1 cites·13 claims
Showing the top 50 of 286 patent records by PatentIndex Score.
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