NORITZ CORPORATION

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F24H FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL 356
 
  
 
F23J REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 164
 
  
 
2303 HEATING EQUIPMENT124
 
  
 
F23L AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS 107
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 943
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 650
 
  
 
F23D BURNERS 626
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 639
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL565
 
  
 
F24D DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR 515

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0211,844 HOT WATER SUPPLY DEVICEJan 24, 17Jul 27, 17[F24H]
2017/0176,047 PLATE-TYPE HEAT EXCHANGER, HOT WATER APPARATUS, AND METHOD FOR MANUFACTURING PLATE-TYPE HEAT EXCHANGERDec 13, 16Jun 22, 17[F24H, B23P, F28D]
2017/0030,664 HOT WATER SUPPLY DEVICEJul 19, 16Feb 02, 17[F24H, F28F]
2016/0341,424 Combustion ApparatusMay 09, 16Nov 24, 16[F23N]
2016/0069,587 FAN ASSEMBLY AND WATER HEATERAug 19, 15Mar 10, 16[F24H, F23L]
2016/0053,994 EXHAUST STRUCTURE FOR COMBUSTION APPARATUSAug 22, 14Feb 25, 16[F23J, F23L]
2015/0144,074 WATER HEATING APPARATUSNov 26, 13May 28, 15[F24H, F28G]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9921012 Water heating apparatusNov 26, 13Mar 20, 18[F24H, F28G, F24D]
D812731 Exhaust tube holding memberJun 02, 17Mar 13, 18[2303]
9903610 Exhaust case and combustion apparatus provided with the sameMay 19, 14Feb 27, 18[F24H, F23J]
9896847 Method of installing exhaust tubeSep 02, 14Feb 20, 18[F16L, F23J, E04D, B25H, B21D]
D810901 Exhaust tube holding memberJun 02, 17Feb 20, 18[2303]
D810902 Exhaust tube holding memberJun 02, 17Feb 20, 18[2303]
9890952 Exhaust structure for combustion apparatus and construction method thereofApr 03, 15Feb 13, 18[F23J, F01N]
9879859 Combustion apparatus supplying combustion air via suction type fan and method for controlling the sameJul 22, 15Jan 30, 18[F23L, F23N, F23C]
9869489 Fan assembly and water heaterAug 19, 15Jan 16, 18[F24H, F23L]
D804623 Water heaterMar 12, 15Dec 05, 17[2303]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0060,458 LATENT HEAT RECOVERY TYPE WATER HEATERAbandonedAug 27, 13Mar 06, 14[F24H]
8418661 Combustion apparatusExpiredNov 24, 09Apr 16, 13[F23N]
2013/0061,821 COMBUSTION APPARATUSAbandonedSep 07, 12Mar 14, 13[F24H, F22B]
8334518 Drinking water serverExpiredSep 26, 08Dec 18, 12[G01N, A61L]
2012/0219,920 RICH-LEAN COMBUSTION BURNERAbandonedFeb 27, 12Aug 30, 12[F23D]
2011/0259,317 Hot water supply apparatusAbandonedApr 19, 11Oct 27, 11[F24H]
7934538 Heat exchanger and water heaterExpiredAug 06, 07May 03, 11[F28F]
2010/0330,520 Combustion apparatusAbandonedJun 28, 10Dec 30, 10[F23D]
7647897 Heating apparatusExpiredMar 23, 05Jan 19, 10[F22B]
7523721 Heat exchanger and water heaterExpiredMay 10, 05Apr 28, 09[F22B]
7458340 Water heaterExpiredDec 16, 05Dec 02, 08[F22B]
7428883 Heat exchanger and water heaterExpiredMay 10, 05Sep 30, 08[F22B]
2008/0160,467 Combustion ApparatusAbandonedJan 30, 06Jul 03, 08[F23C]
2007/0289,559 Heat exchanger, water heater and water tubeAbandonedMay 31, 07Dec 20, 07[F24H, F28D, F28F]
2007/0251,467 Combustion apparatusAbandonedApr 10, 07Nov 01, 07[F22B]
7223098 Ignition unitExpiredAug 04, 04May 29, 07[F23Q]
7058457 Hot water supply systemExpiredMar 04, 03Jun 06, 06[G05B]
7004749 Combustion apparatusExpiredAug 28, 03Feb 28, 06[F23N]
6979192 Burner head and gas burning appliance provided with such a burner headExpiredJun 20, 03Dec 27, 05[F23D]
6918757 Combustion apparatusExpiredAug 28, 03Jul 19, 05[F23N]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.