Assignee
NORITZ CORP
JP211 patents
Top patents by PatentIndex Score
US9228742B2Jan 5, 2016
Rich-lean combustion burner and combustion apparatus
NORITZ CORP113 citations96
USD612925SMar 30, 2010
Duct joint
NORITZ CORP52 citations94
USD847309SApr 30, 2019
Pipe adapter for water heater
NORITZ CORP23 citations93
USD842443SMar 5, 2019
Water heater
NORITZ CORP16 citations93
USD823442SJul 17, 2018
Cap for pipe adapter for water heater
NORITZ CORP18 citations93
US7647897B2Jan 19, 2010
Heating apparatus
NORITZ CORP62 citations93
US6918757B2Jul 19, 2005
Combustion apparatus
NORITZ CORP24 citations92
USD483844SDec 16, 2003
Gas water heater
NORITZ CORP43 citations92
USD483453SDec 9, 2003
Gas water heater
NORITZ CORP23 citations92
USD483452SDec 9, 2003
Gas water heater
NORITZ CORP20 citations92
USD483451SDec 9, 2003
Gas water heater
NORITZ CORP28 citations92
USD833589SNov 13, 2018
Water heater
NORITZ CORP11 citations91
USD804623SDec 5, 2017
Water heater
NORITZ CORP16 citations91
US7458340B2Dec 2, 2008
Water heater
NORITZ CORP35 citations91
USD570976SJun 10, 2008
Gas water heater
NORITZ CORP18 citations91
USD570974SJun 10, 2008
Gas water heater
NORITZ CORP18 citations91
US6746236B2Jun 8, 2004
Combustion apparatus
NORITZ CORP28 citations91
US10088197B2Oct 2, 2018
Water heating apparatus and water heating system
NORITZ CORP19 citations90
US7523721B2Apr 28, 2009
Heat exchanger and water heater
NORITZ CORP19 citations90
US7428883B2Sep 30, 2008
Heat exchanger and water heater
NORITZ CORP16 citations89
US6786717B2Sep 7, 2004
Combustion apparatus
NORITZ CORP17 citations89
US7058457B2Jun 6, 2006
Hot water supply system
NORITZ CORP33 citations84
US10890356B2Jan 12, 2021
Heat exchange device and heat source machine
NORITZ CORP9 citations83
US10408549B2Sep 10, 2019
Heat exchanger, hot water apparatus, and method of manufacturing heat exchanger
NORITZ CORP10 citations83
USD832409SOct 30, 2018
Pipe adapter for water heater
NORITZ CORP11 citations83
USD828524SSep 11, 2018
Packing for pipe adapter for water heater
NORITZ CORP12 citations83
USD812731SMar 13, 2018
Exhaust tube holding member
NORITZ CORP4 citations83
USD810902SFeb 20, 2018
Exhaust tube holding member
NORITZ CORP4 citations83
USD784229SApr 18, 2017
Exhaust adapter
NORITZ CORP4 citations83
USD784228SApr 18, 2017
Exhaust adapter
NORITZ CORP4 citations83
USD751479SMar 15, 2016
Exhaust adapter
NORITZ CORP5 citations83
USD570973SJun 10, 2008
Gas water heater
NORITZ CORP9 citations83
USD879270SMar 24, 2020
Water heater
NORITZ CORP5 citations82
US10393404B2Aug 27, 2019
Heat exchanger and hot water apparatus
NORITZ CORP10 citations82
USD845453SApr 9, 2019
Water heater
NORITZ CORP8 citations82
USD839403SJan 29, 2019
Water heater
NORITZ CORP8 citations82
US9933185B2Apr 3, 2018
Fan and water heater provided with the same, and impeller and water heater provided with the same
NORITZ CORP7 citations82
US9829257B2Nov 28, 2017
Heat exchanger and water heater
NORITZ CORP7 citations82
US10469308B2Nov 5, 2019
Communication adapter for collecting information about a system being monitored
NORITZ CORP13 citations81
US10295222B2May 21, 2019
Hot water apparatus
NORITZ CORP7 citations79
US8776829B2Jul 15, 2014
Valve apparatus and water heating apparatus
NORITZ CORP7 citations77
US11287158B2Mar 29, 2022
Heat exchanger and hot water apparatus
NORITZ CORP6 citations73
US11022342B2Jun 1, 2021
Heat exchanger and water heater including same
NORITZ CORP2 citations73
US11421946B2Aug 23, 2022
Heat exchanger and water heating apparatus including the same
NORITZ CORP2 citations72
US11204128B2Dec 21, 2021
Wall fixing bracket and heat source apparatus unit
NORITZ CORP3 citations72
USD917031SApr 20, 2021
Heat exchanger for water heater
NORITZ CORP1 citations72
USD916257SApr 13, 2021
Heat exchanger for water heater
NORITZ CORP2 citations72
USD916258SApr 13, 2021
Heat exchanger for water heater
NORITZ CORP1 citations72
US10948236B2Mar 16, 2021
Heat exchanger and water heater including same
NORITZ CORP2 citations72
US10605454B2Mar 31, 2020
Exhaust structure for combustion apparatus
NORITZ CORP2 citations72
Showing the top 50 of 211 patents by PatentIndex Score.