MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 3932
 
  
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 1234
 
  
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 1035
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS767
 
  
 
F24D DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR 515
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR392
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 227
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 260
 
  
 
F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT 227
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 250

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0073,521 COMPRESSOR DRIVING MOTOR AND COOLING METHOD FOR SAMEMar 03, 16Mar 15, 18[H02K, F25B, F04D]
2017/0350,632 LIQUEFIED GAS COOLING APPARATUSDec 24, 15Dec 07, 17[F25J, F25B]
2017/0146,271 TURBO CHILLERJul 27, 15May 25, 17[F25B, F04D]
2016/0341,440 METHOD FOR CONTROLLING NUMBER OF PUMPS, DEVICE FOR CONTROLLING NUMBER OF PUMPS, PUMP SYSTEM, HEAT SOURCE SYSTEM, AND PROGRAMJun 18, 14Nov 24, 16[F04B, F24F]
2016/0290,674 DEVICE FOR CONTROLLING NUMBER OF OPERATING HEAT SOURCE DEVICES, HEAT SOURCE SYSTEM, CONTROL METHOD, AND PROGRAMJul 04, 14Oct 06, 16[F24D, F24F]
2016/0209,053 HEAT SOURCE CONTROL DEVICE, HEAT SOURCE SYSTEM, AND HEAT SOURCE CONTROL METHODJun 20, 14Jul 21, 16[F24D]
2016/0123,639 TURBO REFRIGERATORJun 24, 13May 05, 16[F25B]
2016/0010,654 OIL TANK OF TURBO CHILLER COMPRESSOR AND TURBO CHILLER COMPRESSORFeb 13, 14Jan 14, 16[F25B, F04D]
2015/0241,100 HEAT SOURCE SYSTEM AND CONTROL METHOD THEREOFMay 31, 13Aug 27, 15[F25B]
2015/0211,753 HEAT SOURCE SYSTEM AND CONTROL METHOD THEREFORSep 19, 13Jul 30, 15[F24F]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9856885 Oil tank of turbo chiller compressor and turbo chiller compressorFeb 13, 14Jan 02, 18[F25B, F04D]
9823633 Number-of-machines control device for heat source system, method therefor, and heat source systemFeb 27, 13Nov 21, 17[G05B, F25B, F24F]
9689730 Estimation apparatus of heat transfer medium flow rate, heat source machine, and estimation method of heat transfer medium flow rateFeb 16, 12Jun 27, 17[F25B, G01F]
9664415 Hot-water heat pump and method of controlling the sameFeb 22, 11May 30, 17[F24H, F24D]
9605893 Heat source deviceOct 27, 11Mar 28, 17[F25B, G05D, F25D]
9541318 Estimation apparatus of heat transfer medium flow rate, heat source machine, and estimation method of heat transfer medium flow rateFeb 17, 12Jan 10, 17[F25B, F04D]
9488387 Heat-source selecting device for heat source system, method thereof, and heat source systemJun 10, 13Nov 08, 16[F24J, F28D]
9453670 Control apparatus and method for parallel-type chiller, and computer-readable recording medium in which program for parallel-type chiller is storedSep 04, 13Sep 27, 16[F25B, F25D]
9414521 Heat source system and method of controlling flow rate of heating medium thereofFeb 26, 13Aug 09, 16[F24D, F24F, H05K]
9341401 Heat source system and control method thereforOct 27, 11May 17, 16[F25B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0374,497 HEAT SOURCE SYSTEM, CONTROL DEVICE THEREOF, AND CONTROL METHOD THEREOFAbandonedJan 31, 13Dec 25, 14[F24D, F24F]
2013/0274,948 HEAT SOURCE SYSTEM AND METHOD FOR CONTROLLING THE NUMBER OF OPERATED DEVICES IN HEAT SOURCE SYSTEMAbandonedFeb 27, 12Oct 17, 13[G06F]

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