IHI MACHINERY AND FURNACE CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 1332
 
  
 
F27D DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE 1213
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS915
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 454
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 497
 
  
 
2303 HEATING EQUIPMENT313
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
C22C ALLOYS 171
 
  
 
C23G CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS 112
 
  
 
D06F LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES 139

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0016,652 HEAT TREATMENT APPARATUSSep 27, 17Jan 18, 18[F27B, F27D, C21D]
2018/0010,854 HEAT TREATMENT DEVICEAug 15, 17Jan 11, 18[F27D, C21D]
2017/0254,592 THERMAL TREATMENT DEVICEMay 18, 17Sep 07, 17[F27D, C21D]
2017/0073,879 CONDENSER AND CLEANING DEVICENov 22, 16Mar 16, 17[D06F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9636716 Vacuum cleaning deviceAug 12, 14May 02, 17[B08B, C23G]
9618267 Graphitization furnace and method for producing graphiteSep 22, 11Apr 11, 17[C01B, H05B, F27B, F27D]
9605330 Vacuum heat treatment deviceJun 16, 14Mar 28, 17[F27B, F27D, C21D]
9555450 Vacuum cleaning apparatus and vacuum cleaning methodMay 12, 14Jan 31, 17[B08B, F26B, C23G]
9377360 Device and method for measuring temperature of heat-treated workpieceAug 27, 13Jun 28, 16[G01J, F27D, C21D]
9359654 Mist cooling apparatus and heat treatment apparatusApr 12, 11Jun 07, 16[F27B, F27D, C21D]
9187795 Mist cooling apparatus, heat treatment apparatus, and mist cooling methodDec 10, 10Nov 17, 15[F27D, C21D]
9139438 Graphitization furnace and method for producing graphiteMay 29, 12Sep 22, 15[C01B, F27B]
D659230 Portion of heat treat furnaceJul 07, 11May 08, 12[2303]
D659231 Heat treat furnaceJul 07, 11May 08, 12[2303]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0081,737 COOLING APPARATUS AND MULTI-CHAMBER HEAT TREATMENT APPARATUSAbandonedOct 10, 16Mar 23, 17[F27D, C21D]
2017/0073,786 HEAT TREATMENT APPARATUSAbandonedNov 04, 16Mar 16, 17[F27B, F27D, C21D]
2017/0059,247 HEAT TREATMENT DEVICEAbandonedNov 14, 16Mar 02, 17[F27B, F27D]
2017/0022,579 COOLING DEVICE AND MULTI-CHAMBER HEAT TREATMENT DEVICEAbandonedOct 04, 16Jan 26, 17[C21D]
2017/0003,076 GRAPHITIZATION FURNACEAbandonedSep 13, 16Jan 05, 17[C01B, H05B, F27B, F27D]
2016/0377,346 HEAT TREATMENT APPARATUSAbandonedSep 08, 16Dec 29, 16[F27D, C21D]
2016/0348,969 HEAT TREATMENT DEVICEAbandonedAug 11, 16Dec 01, 16[C23C, F27B, F27D, C21D]
2016/0333,502 FURNACE FOR CONTINUOUSLY GRAPHITIZING CARBON FIBERAbandonedJul 28, 16Nov 17, 16[H05B, F27B, D01F]
2014/0186,786 CONTINUOUS FIRING FURNACEAbandonedJun 14, 12Jul 03, 14[F27B, F27D]
2014/0097,174 HEAT TREATMENT FURNACE AND METHOD OF REPLACING HEATER OF SAMEAbandonedDec 12, 13Apr 10, 14[B23P, H05B, F27D]
2013/0305,985 PLASMA PROCESSING DEVICEAbandonedFeb 02, 12Nov 21, 13[C23C]
2013/0153,547 MULTI-CHAMBER HEAT TREATMENT DEVICEAbandonedJul 01, 11Jun 20, 13[B23K, F27B]

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