FUJITSU GENERAL LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 3714
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 3374
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 2940
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 2225
 
  
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 1036
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 816
 
  
 
2304 VENTILATION AND AIR-CONDITIONING EQUIPMENT628
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 524
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS470
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 448

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0017,057 ROTARY COMPRESSORJul 11, 17Jan 18, 18[F04C]
2017/0051,739 ROTARY COMPRESSORFeb 03, 15Feb 23, 17[F04C, F01C]
2016/0332,169 ELECTRIC DUST COLLECTION DEVICE AND AIR CONDITIONER USING THE SAMEMar 06, 15Nov 17, 16[B03C, F24F]
2016/0281,717 ROTARY COMPRESSORMar 24, 16Sep 29, 16[F04D]
2016/0258,661 AIR CONDITIONERMar 03, 16Sep 08, 16[G05B, F25B]
2016/0223,240 OUTDOOR UNIT OF AIR CONDITIONER AND AIR CONDITIONERJan 14, 16Aug 04, 16[F25B, F24F]
2016/0102,871 CEILING-EMBEDDED AIR CONDITIONEROct 09, 15Apr 14, 16[F24F]
2016/0102,872 CEILING-EMBEDDED AIR CONDITIONEROct 09, 15Apr 14, 16[F24F]
2016/0084,535 OUTDOOR UNIT OF AIR CONDITIONER AND AIR CONDITIONERApr 08, 15Mar 24, 16[F25B]
2015/0338,123 AIR CONDITIONER AND CONTROL CIRCUITDec 27, 13Nov 26, 15[F24F]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9909784 Outdoor unit of air conditioner and air conditionerApr 08, 15Mar 06, 18[F25B]
D811569 Air conditionerMar 24, 17Feb 27, 18[2304]
9890785 Rotary compressor with silicon dioxideJan 29, 14Feb 13, 18[F04C]
9890786 Rotary compressor having vane that has diamond-like carbon layerJan 29, 14Feb 13, 18[C23C, F04C, F01C]
9863661 Air conditioner and control circuitDec 27, 13Jan 09, 18[F24F]
D801940 Remote controller for air conditionerNov 10, 16Nov 07, 17[1403]
9765997 Air conditioning apparatusJul 19, 12Sep 19, 17[F25B, F25D, F24F]
9739521 Air conditioning apparatusJan 03, 13Aug 22, 17[F25B, F25D]
9726384 Room air conditioner with movable side fan unitsApr 29, 13Aug 08, 17[F28F, F24F]
9689578 Refrigerant distribution unit for air conditionerJun 22, 11Jun 27, 17[F25B, F24F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0002,517 MIXTURE REFRIGERANT AND AIR CONDITIONER USING THE SAMEAbandonedJun 19, 15Jan 07, 16[C09K]
2014/0324,231 AIR CONDITIONING SYSTEM AND REMOTE CONTROLLERAbandonedNov 12, 12Oct 30, 14[G05D]
2014/0238,069 AIR CONDITIONER OUTDOOR UNIT AND AIR CONDITIONERAbandonedFeb 20, 14Aug 28, 14[F25D]
8631664 Air conditioner with automatic air filter cleanerExpiredJan 13, 09Jan 21, 14[A23L, F25D]
2013/0314,544 NIGHT VISION IMAGE CAPTURING APPARATUS AND INFRARED RADIATING APPARATUS AND NIGHT VISION IMAGE CAPTURING SYSTEMAbandonedJun 27, 12Nov 28, 13[H04N, B01J]
2013/0169,085 ELECTRIC MOTORAbandonedDec 27, 12Jul 04, 13[H02K]
8413456 Refrigeration apparatusExpiredDec 03, 09Apr 09, 13[F25B, F25D]
2013/0050,490 DRIVE ASSISTING APPARATUSAbandonedMar 23, 12Feb 28, 13[H04N]
2012/0308,425 ROTARY COMPRESSORAbandonedApr 24, 12Dec 06, 12[F04C]
8282695 Air conditionerExpiredJan 13, 09Oct 09, 12[B01D]
2012/0195,000 OUTDOOR UNIT OF AIR CONDITIONERAbandonedJan 30, 12Aug 02, 12[H05K]
2012/0186,287 AIR CONDITIONERAbandonedDec 13, 11Jul 26, 12[F25B]
2012/0133,239 MAGNET EMBEDDED ROTOR, ELECTRIC MOTOR, AND ASSEMBLY METHOD OF ELECTRIC MOTORAbandonedNov 23, 11May 31, 12[H02K]
8038517 Air conditioner and method for assembling the sameExpiredSep 12, 06Oct 18, 11[B01L]
2011/0241,467 PERMANENT MAGNET MOTORAbandonedMar 24, 11Oct 06, 11[H02K]
8029255 Lubricating oil circulating device for compressorExpiredNov 04, 05Oct 04, 11[F04C]
8007574 Air conditionerExpiredSep 02, 05Aug 30, 11[B01D]
2011/0154,847 Air conditionerAbandonedDec 07, 10Jun 30, 11[F25B]
7918101 Outdoor unit of air conditionerExpiredSep 08, 05Apr 05, 11[F25D]
2011/0027,117 ROTARY COMPRESSORAbandonedJul 28, 10Feb 03, 11[F01C]

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