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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →