RINNAI CORPORATION

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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 307
 
  
 
F23D BURNERS 2113
 
  
 
F24D DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR 167
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 745
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING568
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 518
 
  
 
F23N REGULATING OR CONTROLLING COMBUSTION 516
 
  
 
F24C OTHER DOMESTIC STOVES OR RANGES; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION 429
 
  
 
F23C METHODS OR APPARATUS FOR COMBUSTION USING FLUENT FUEL 318
 
  
 
F23L AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS 314

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0003,379 COMBUSTION APPARATUSJun 26, 17Jan 04, 18[F23D]
2017/0284,663 Premixing ApparatusMar 14, 17Oct 05, 17[F23D]
2017/0276,345 Premixing ApparatusMar 08, 17Sep 28, 17[F23D]
2016/0363,348 METHOD OF CONTROLLING COMBUSTION APPARATUSJun 08, 16Dec 15, 16[F24H]
2016/0123,585 COMBINED COMBUSTION DEVICEJul 22, 13May 05, 16[F23L, F23N]
2015/0136,861 ROOM HEATERNov 18, 14May 21, 15[F24D]
2015/0136,863 ROOM HEATERNov 17, 14May 21, 15[F24D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9886043 Hot-water supply systemDec 11, 15Feb 06, 18[G05D, F24D]
9851124 Room heaterNov 17, 14Dec 26, 17[F24H, G05D, F24D, F24F]
9841187 Combustion plateOct 21, 15Dec 12, 17[F23D]
9841197 Hot water supply apparatusMay 18, 15Dec 12, 17[F24H, E03B, F24D]
9777921 Combustion plateDec 05, 14Oct 03, 17[F23D]
9746201 Combustion apparatusAug 13, 15Aug 29, 17[F24H, F02C]
9726370 Tubular burnerOct 16, 14Aug 08, 17[F23D]
9726400 Hot water supply deviceJul 30, 14Aug 08, 17[F24H]
9709341 Heat exchangerApr 26, 10Jul 18, 17[F24H, F28D, F28F, F24D]
9664298 Flow control valveSep 01, 15May 30, 17[F16K, F16L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0047,558 HOT WATER SUPPLY AND HEATING SYSTEMAbandonedAug 18, 14Feb 18, 16[F24D]
2015/0369,479 FLAT BURNERAbandonedJun 20, 14Dec 24, 15[F23D]
2015/0184,848 Tubular BurnerAbandonedDec 26, 13Jul 02, 15[F23D]
2015/0184,849 Rich-Lean BurnerAbandonedDec 27, 13Jul 02, 15[F23D]
2014/0350,729 Combustion Control SystemAbandonedMay 20, 14Nov 27, 14[F02D, H02H]
2013/0264,037 LATENT HEAT EXCHANGER AND WATER HEATERAbandonedNov 18, 11Oct 10, 13[F28F]
2013/0101,948 TUBULAR BURNERAbandonedOct 21, 11Apr 25, 13[F23D]
2012/0301,836 PLATE TYPE BURNERAbandonedMay 27, 11Nov 29, 12[F23D]
2012/0301,837 PLATE TYPE BURNERAbandonedMay 27, 11Nov 29, 12[F23D]
2011/0296,838 HEAT SOURCE MACHINEAbandonedJun 02, 11Dec 08, 11[F01K]
2011/0297,059 COMBUSTION APPARATUSAbandonedMay 23, 11Dec 08, 11[F23H, F23L, F23D]
2011/0290,228 WARM AIR FURNACEAbandonedMay 28, 10Dec 01, 11[F24H]
2011/0057,047 HOT AIR HEATERAbandonedSep 07, 10Mar 10, 11[F24B, F28F]
2010/0135,829 AIR SUPPLY FAN DEVICEAbandonedNov 24, 09Jun 03, 10[F04D]
2009/0229,268 COGENERATION SYSTEMAbandonedOct 17, 06Sep 17, 09[F02G]
2005/0255,831 Radio communication systemAbandonedMay 05, 05Nov 17, 05[H04M, H04B]
6795643 Hybrid hotair heaterExpiredDec 04, 03Sep 21, 04[F24D]
2004/0105,666 Hot-air heaterAbandonedNov 25, 03Jun 03, 04[F24H]
4913128 Burner apparatusExpiredMar 23, 89Apr 03, 90[F24H, F24N]
4802841 Operation apparatusExpiredJul 16, 87Feb 07, 89[F23Q]

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