GD MIDEA HEATING & VENTILATING EQUIPMENT CO., 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 1454
 
  
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 1134
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING469
 
  
 
F24H FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL 423
 
  
 
F24D DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR 218
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 243
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 151
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0017,271 MULTI-ONLINE SYSTEMDec 22, 15Jan 18, 18[F25B, F24F]
2018/0010,857 HEAT EXCHANGER AND MULTI-SPLIT SYSTEM HAVING SAMEDec 21, 15Jan 11, 18[F28D, F28F]
2017/0343,241 METHOD AND SYSTEM FOR CONTROLLING HEAT PUMP WATER HEATERAug 04, 15Nov 30, 17[F24H]
2017/0268,791 MULTI-SPLIT SYSTEM AND MEDIUM-PRESSURE CONTROLLING METHOD THEREOFApr 27, 16Sep 21, 17[F25B, G05D, F24D, F24F]
2017/0211,839 BACK-UP POWER SOURCE APPARATUS IN INDOOR UNIT, CONTROLLING METHOD THEREOF AND MULTI-SPLIT AIR CONDITIONING SYSTEMMar 16, 15Jul 27, 17[H02J, F24F]
2017/0198,956 METHOD AND DEVICE FOR CONTROLLING REFRIGERANT DISTRIBUTION OF MULTI-SPLIT AIR-CONDITIONING SYSTEMApr 26, 16Jul 13, 17[F25B]
2017/0191,680 AIR-CONDITIONING OUTDOOR UNIT AND AIR CONDITIONERJun 24, 15Jul 06, 17[F16K, F25B, F24F]
2016/0356,520 Air Conditioning System And Energy Management Method Of Air Conditioning SystemJun 29, 15Dec 08, 16[F24F]
2016/0348,935 System And Method For Controlling Ducted Air-Conditioning SystemAug 17, 15Dec 01, 16[F24F]
2016/0265,794 Heat Pump Water Heater and Control Method ThereofDec 09, 15Sep 15, 16[F24H, F24D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920949 Air conditioning system and energy management method of air conditioning systemJun 29, 15Mar 20, 18[F24F]
9879893 Air conditioning system, method for controlling air conditioning system, and outdoor apparatus of air conditioning systemAug 28, 14Jan 30, 18[F25B]
9797642 System and method for controlling an air conditioning system and an outdoor apparatus of the systemAug 28, 14Oct 24, 17[F25B]
9749719 Communication converting apparatus and method for pulse meter, and communication system for air conditionerSep 08, 15Aug 29, 17[H04Q]
9683760 Outdoor unit of air-conditioner, two-pipe air-conditioning system and three-pipe air-conditioning system having the sameSep 04, 14Jun 20, 17[F25B]
9372011 Heat exchanger and gas-fired furnace comprising the sameDec 03, 13Jun 21, 16[F24H, F28D, F28F]
9353969 Water tank and heat pump water heater comprising the sameJun 26, 14May 31, 16[F24H]

Expired/Abandoned/Withdrawn Patents

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