using one four-way valve

Patents Grantslast 30 patents

  • Information Patent Grant

    Water source heat pump dual functioning condensing coil

    • Patent number 11,965,672
    • Issue date Apr 23, 2024
    • Daikin Applied Americas Inc.
    • Marcos Locke
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Refrigeration cycle apparatus

    • Patent number 11,940,190
    • Issue date Mar 26, 2024
    • Mitsubishi Electric Corporation
    • Komei Nakajima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thermoelectric enhanced hybrid heat pump systems

    • Patent number 11,913,687
    • Issue date Feb 27, 2024
    • DTP Thermoelectrics LLC
    • Douglas Crane
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Hybrid multi-air conditioning system

    • Patent number 11,906,208
    • Issue date Feb 20, 2024
    • LG Electronics Inc.
    • Yejin Kim
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Thermodynamic heat recovery without an additional thermodynamic cir...

    • Patent number 11,859,875
    • Issue date Jan 2, 2024
    • LGL France S.A.S.
    • Bastien Jovet
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant cycle apparatus

    • Patent number 11,835,273
    • Issue date Dec 5, 2023
    • Daikin Industries, Ltd.
    • Yuji Yamada
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioner with variable speed compressor and variable speed fan

    • Patent number 11,808,466
    • Issue date Nov 7, 2023
    • Haier US Appliance Solutions, Inc.
    • Joshua Duane Longenecker
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Refrigeration cycle apparatus

    • Patent number 11,802,722
    • Issue date Oct 31, 2023
    • Mitsubishi Electric Corporation
    • Chitose Tanaka
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Heat pump reversing valve fault detection system

    • Patent number 11,774,151
    • Issue date Oct 3, 2023
    • TRANE INTERNATIONAL INC.
    • Shivakumar Kolloju
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Multi-air conditioner for heating and cooling operations

    • Patent number 11,761,697
    • Issue date Sep 19, 2023
    • LG Electronics Inc.
    • Hyungjoon Kim
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Gas heat-pump system and method of controlling same

    • Patent number 11,761,690
    • Issue date Sep 19, 2023
    • LG Electronics Inc.
    • Heejoong Jang
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Refrigerant isolation using a reversing valve

    • Patent number 11,754,324
    • Issue date Sep 12, 2023
    • Copeland LP
    • Andrew M. Welch
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioning system

    • Patent number 11,754,327
    • Issue date Sep 12, 2023
    • QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
    • Qingliang Meng
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioning apparatus

    • Patent number 11,739,956
    • Issue date Aug 29, 2023
    • LG Electronics Inc.
    • Chiwoo Song
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Thermal management systems

    • Patent number 11,698,210
    • Issue date Jul 11, 2023
    • BOOZ ALLEN HAMILTON INC.
    • Igor Vaisman
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration cycle apparatus recovering refrigerator oil in refrig...

    • Patent number 11,635,234
    • Issue date Apr 25, 2023
    • Mitsubishi Electric Corporation
    • Hiroki Ishiyama
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Water source heat pump head pressure control for hot gas reheat

    • Patent number 11,624,518
    • Issue date Apr 11, 2023
    • Daikin Applied Americas Inc.
    • Marcos Locke
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Liquid receiver for heating, air conditioning and refrigeration system

    • Patent number 11,592,216
    • Issue date Feb 28, 2023
    • Carrier Corporation
    • Charbel Rahhal
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration cycle apparatus

    • Patent number 11,585,579
    • Issue date Feb 21, 2023
    • Mitsubishi Electric Corporation
    • Yusuke Tashiro
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heat pump with ejector

    • Patent number 11,561,028
    • Issue date Jan 24, 2023
    • Carrier Corporation
    • Ahmad M. Mahmoud
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    HVAC system

    • Patent number 11,555,639
    • Issue date Jan 17, 2023
    • TRANE INTERNATIONAL INC.
    • Yves Jacques Raimbault
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration system

    • Patent number 11,480,367
    • Issue date Oct 25, 2022
    • Swep International AB
    • Tomas Dahlberg
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Refrigeration cycle apparatus

    • Patent number 11,473,821
    • Issue date Oct 18, 2022
    • Mitsubishi Electric Corporation
    • Makoto Wada
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Heat exchanger, outdoor unit and refrigeration cycle apparatus

    • Patent number 11,460,228
    • Issue date Oct 4, 2022
    • Mitsubishi Electric Corporation
    • Ryuichi Nagata
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Gas heat pump system

    • Patent number 11,460,223
    • Issue date Oct 4, 2022
    • LG Electronics Inc.
    • Seokpyo Hong
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Air conditioner

    • Patent number 11,454,428
    • Issue date Sep 27, 2022
    • LG Electronics Inc.
    • Byoungjin Ryu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration cycle apparatus

    • Patent number 11,435,119
    • Issue date Sep 6, 2022
    • Mitsubishi Electric Corporation
    • Takuya Matsuda
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioner system including refrigerant cycle circuit for oil...

    • Patent number 11,378,315
    • Issue date Jul 5, 2022
    • Samsung Electronics Co., Ltd.
    • Donggyu Lee
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Water source heat pump dual functioning condensing coil

    • Patent number 11,378,290
    • Issue date Jul 5, 2022
    • Daikin Applied Americas Inc.
    • Marcos Locke
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air-conditioning apparatus

    • Patent number 11,371,755
    • Issue date Jun 28, 2022
    • Mitsubishi Electric Corporation
    • Hiroki Maruyama
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

  • Information Patent Application

    CASCADE COLD CLIMATE HEAT PUMP SYSTEM

    • Publication number 20240125519
    • Publication date Apr 18, 2024
    • Daikin Comfort Technologies Manufacturing, L.P.
    • Michael F. Taras
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    FOUR-WAY VALVE AND AIR CONDITIONING SYSTEM PROVIDED WITH SAME

    • Publication number 20240117886
    • Publication date Apr 11, 2024
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Zhongbo FENG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    THERMODYNAMIC HEAT RECOVERY WITHOUT AN ADDITIONAL THERMODYNAMIC CIR...

    • Publication number 20240085067
    • Publication date Mar 14, 2024
    • LGL France S.A.S.
    • Bastien JOVET
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEAT PUMP SYSTEM AND CONTROL METHOD THEREOF

    • Publication number 20240068715
    • Publication date Feb 29, 2024
    • Carrier Corporation
    • Jinxiang Wang
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Refrigeration Cycle Apparatus

    • Publication number 20230375236
    • Publication date Nov 23, 2023
    • Mitsubishi Electric Corporation
    • Ryota YUASA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    COLD SOURCE UNIT AND REFRIGERATION CYCLE APPARATUS

    • Publication number 20230366592
    • Publication date Nov 16, 2023
    • Mitsubishi Electric Corporation
    • Ryuichi NAGATA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE DEVICE

    • Publication number 20230358446
    • Publication date Nov 9, 2023
    • Mitsubishi Electric Corporation
    • Kenta MURATA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    ENERGY EFFICIENT HEAT PUMP WITH FLOW REGULATION SYSTEM

    • Publication number 20230349599
    • Publication date Nov 2, 2023
    • Johnson Controls Tyco IP Holdings LLP
    • Andrew Leroy Hjortland
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    A REFRIGERATION SYSTEM AND A METHOD FOR CONTROLLING SUCH A REFRIGER...

    • Publication number 20230341161
    • Publication date Oct 26, 2023
    • SWEP INTERNATIONAL AB
    • Sven ANDERSSON
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR CONDITIONER AND CONTROL APPARATUS

    • Publication number 20230288111
    • Publication date Sep 14, 2023
    • HISENSE AIR CONDITIONING CO., LTD.
    • Qian CHANG
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS

    • Publication number 20230272952
    • Publication date Aug 31, 2023
    • Mitsubishi Electric Corporation
    • Hiroki ISHIYAMA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR-CONDITIONING APPARATUS

    • Publication number 20230194131
    • Publication date Jun 22, 2023
    • Mitsubishi Electric Corporation
    • Hiroki WASHIYAMA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Heat Pump with Ejector

    • Publication number 20230160610
    • Publication date May 25, 2023
    • Carrier Corporation
    • Ahmad M. Mahmoud
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    THERMOELECTRIC ENHANCED HYBRID HEAT PUMP SYSTEMS

    • Publication number 20230113018
    • Publication date Apr 13, 2023
    • DTP Thermoelectrics LLC
    • Douglas Crane
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEAT EXCHANGER AND REFRIGERATION SYSTEM AND METHOD

    • Publication number 20230041265
    • Publication date Feb 9, 2023
    • SWEP INTERNATIONAL AB
    • Sven ANDERSSON
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    A REFRIGERATION SYSTEM AND METHOD

    • Publication number 20230030270
    • Publication date Feb 2, 2023
    • SWEP INTERNATIONAL AB
    • Sven ANDERSSON
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    CARBON DIOXIDE REFRIGERATING SYSTEM AND REFRIGERATING METHOD THEREOF

    • Publication number 20220316779
    • Publication date Oct 6, 2022
    • JINGKELUN REFRIGERATION EQUIPMENT CO., LTD.
    • Jianguo YANG
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Heat-Pump System With Multiway Valve

    • Publication number 20220307736
    • Publication date Sep 29, 2022
    • Emerson Climate Technologies, Inc.
    • Andrew M. WELCH
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    WATER SOURCE HEAT PUMP DUAL FUNCTIONING CONDENSING COIL

    • Publication number 20220299215
    • Publication date Sep 22, 2022
    • DAIKIN APPLIED AMERICAS INC.
    • Marcos Locke
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS

    • Publication number 20220299247
    • Publication date Sep 22, 2022
    • Mitsubishi Electric Corporation
    • Takuya MATSUDA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERANT CYCLE APPARATUS

    • Publication number 20220275984
    • Publication date Sep 1, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Yuji YAMADA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS

    • Publication number 20220235972
    • Publication date Jul 28, 2022
    • Mitsubishi Electric Corporation
    • Takuya MATSUDA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    THERMODYNAMIC HEAT RECOVERY WITHOUT AN ADDITIONAL THERMODYNAMIC CIR...

    • Publication number 20220235974
    • Publication date Jul 28, 2022
    • LGL France S.A.S.
    • Bastien JOVET
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS AND FOUR-WAY VALVE

    • Publication number 20220221204
    • Publication date Jul 14, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Takeru MIYAZAKI
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS

    • Publication number 20220214082
    • Publication date Jul 7, 2022
    • Mitsubishi Electric Corporation
    • Takuya MATSUDA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR CONDITIONING APPARATUS AND OUTDOOR UNIT

    • Publication number 20220214081
    • Publication date Jul 7, 2022
    • Mitsubishi Electric Corporation
    • Hiroaki MAKINO
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HYBRID MULTI-AIR CONDITIONING SYSTEM

    • Publication number 20220163241
    • Publication date May 26, 2022
    • LG ELECTRONICS INC.
    • Yejin Kim
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS

    • Publication number 20220136741
    • Publication date May 5, 2022
    • Mitsubishi Electric Corporation
    • Komei NAKAJIMA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    MULTI-AIR CONDITIONER FOR HEATING AND COOLING OPERATIONS

    • Publication number 20220107126
    • Publication date Apr 7, 2022
    • LG ELECTRONICS INC.
    • Hyungjoon KIM
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Refrigerant Isolation Using A Reversing Valve

    • Publication number 20220082304
    • Publication date Mar 17, 2022
    • Emerson Climate Technologies, Inc.
    • Andrew M. WELCH
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...