ClassID:

158150

F24F1/26 - CPC Classification

Classification description:

Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station; Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger Refrigerant piping

Sub-classes:
Recent Application in this class:
#1
20260071763
2026-03-12

WINDOW AIR CONDITIONER

#2
20260055907
2026-02-26

OUTDOOR UNIT AND HEATING AND VENTILATION APPARATUS

#3
20260036347
2026-02-05

AIR CONDITIONING APPARATUS

#4
20250327587
2025-10-23

COUNTERWEIGHT ASSEMBLY, PIPING SYSTEM, AND AIR CONDITIONER

#5
20250277529
2025-09-04

SERVICE VALVE FOR AIR CONDITIONER, WHICH CAN PREVENT SPINDLE WEAR

#6
20250271148
2025-08-28

AIR CONDITIONER

#7
20250230937
2025-07-17

PIPELINE INTEGRATED MODULE, AIR CONDITIONER OUTDOOR UNIT, AND METHOD FOR PREPARING PIPELINE INTEGRATED MODULE

#8
20250224122
2025-07-10

HEAT SOURCE UNIT AND AIR CONDITIONER

#9
20250067447
2025-02-27

SYSTEMS AND METHODS FOR HVAC OUTDOOR UNIT WITH GRILL FORMING A SUPPORT STRUCTURE

#10
20250043985
2025-02-06

AIR CONDITIONING SYSTEM, AND METHOD FOR CONTROLLING AIR CONDITIONING SYSTEM

#11
20250020342
2025-01-16

OUTDOOR UNIT OF AIR CONDITIONER

#12
20240418420
2024-12-19

AIR CONDITIONER

#13
20240393024
2024-11-28

REFRIGERANT FLOW PATH MODULE AND AIR CONDITIONER

#14
20240392978
2024-11-28

AIR CONDITIONER

#15
20240263808
2024-08-08

WINDOW-TYPE AIR-CONDITIONER

#16
20240230112
2024-07-11

AIR CONDITIONER INDOOR UNIT AND AIR CONDITIONER

#17
20240085055
2024-03-14

Pre-piped thermal transfer unit with support mechanism

#18
20240077216
2024-03-07

Air Conditioner Pipeline and Air Conditioner

#19
20230408133
2023-12-21

Heat Transfer System for Facilitating Transfer of Heat to Air and Water with One Heat Pump

#20
20230366565
2023-11-16

OUTDOOR HEAT EXCHANGER AND AIR CONDITIONER

#21
20230314038
2023-10-05

Refrigeration cycle apparatus

#22
20230167985
2023-06-01

AIR CONDITIONER PIPING SYSTEM AND METHOD OF PRODUCING THE SAME

#23
20230040810
2023-02-09

OUTDOOR UNIT EXHAUST COOLING DEVICE

#24
20230027551
2023-01-26

Sealed box container, main machine of heat recovery switching device, and refrigeration device

#25
20220307745
2022-09-29

Air conditioner and control method therefor

#26
20220146159
2022-05-12

Refrigeration apparatus with stainless steel four-way switching valve and stainless steel pipes connected thereto

#27
20210364190
2021-11-25

Tube guide for HVAC system

#28
20210341086
2021-11-04

Pipe joint structure and air conditioner

#29
20210325073
2021-10-21

Detection device

#30
20210215366
2021-07-15

Apparatus for delivering circulating water and system for delivering circulating water including the same

#31
20210140726
2021-05-13

Air conditioner

#32
20210055026
2021-02-25

AIR CONDITIONER AND CONTROL METHOD THEREFOR

#33
20210041116
2021-02-11

Outdoor unit of air conditioner

#34
20210010704
2021-01-14

Air conditioner

#35
20200355394
2020-11-12

Embedded heat exchanger with support mechanism

#36
20200348037
2020-11-05

Air conditioner system and control method thereof

#37
20200284442
2020-09-10

Outdoor unit and air conditioner including the same

#38
20200232659
2020-07-23

Air conditioner

#39
20200149778
2020-05-14

Termination block

#40
20200124306
2020-04-23

Refrigerant pump down for an HVAC system

#41
20200025408
2020-01-23

FAN REVERSE MAINTENANCE MODE OF A CLIMATE MANAGEMENT SYSTEM

#42
20190301753
2019-10-03

Air-conditioning apparatus

#43
20190264964
2019-08-29

Heat pump apparatus

#44
20190203957
2019-07-04

Heat source unit for refrigeration apparatus

#45
20190203953
2019-07-04

Heat exchanger unit and air-conditioning apparatus

#46
20190193093
2019-06-27

Fluid injection device and method of making the same

#47
20190178505
2019-06-13

System for conditioning an airflow using a portable closed loop cooling system

#48
20190170374
2019-06-06

Air conditioner

#49
20190113244
2019-04-18

Heat Exchanger Including Refrigerant Branch Distribution Device, and Refrigeration Cycle Apparatus

#50
20190072286
2019-03-07

Split heating and cooling systems

#51
20190049124
2019-02-14

Cooling device for air conditioner circuit board

#52
20190041087
2019-02-07

Indoor unit and air-conditioning apparatus

#53
20190024923
2019-01-24

Air conditioner in which a flammable refrigerant flows

#54
20180372344
2018-12-27

Outdoor unit of air-conditioning apparatus

#55
20180299157
2018-10-18

Air conditioner and control method therefor

#56
20180216837
2018-08-02

Heat exchanger and refrigeration cycle device

#57
20180216836
2018-08-02

Outdoor unit for air conditioner, and air conditioner

#58
20180209669
2018-07-26

AIR CONDITIONER

#59
20180128505
2018-05-10

COMPRESSOR UNIT, HEAT SOURCE UNIT, AND AIR CONDITIONER

#60
20180095483
2018-04-05

Air conditioner with indoor units and outdoor units

#61
20170328585
2017-11-16

Outdoor unit

#62
20170307233
2017-10-26

Metallic tubular members for use in HVAC or refrigeration systems and methods of manufacturing the same

#63
20170227250
2017-08-10

Embedded heat exchanger with support mechanism

#64
20170059189
2017-03-02

Outdoor unit for air conditioner

#65
20160273796
2016-09-22

Signal transmission device for air conditioner

#66
20160223240
2016-08-04

OUTDOOR UNIT OF AIR CONDITIONER AND AIR CONDITIONER

#67
20160187006
2016-06-30

Outdoor device for an air conditioner

#68
20160131404
2016-05-12

OUTDOOR UNIT AND AIR-CONDITIONING APPARATUS

#69
20160123607
2016-05-05

OUTDOOR UNIT

#70
20160052645
2016-02-25

Tunnel air-conditioning apparatus, passenger boarding bridge including the apparatus, passenger boarding bridge air-conditioning system, and system for controlling same

#71
20150267938
2015-09-24

Indoor unit of air conditioner and method of connecting refrigerant pipe thereof

#72
20150033776
2015-02-05

HVAC system subcooler

#73
20150027660
2015-01-29

Indoor unit of air conditioner and method of connecting refrigerant pipe thereof

#74
20140325844
2014-11-06

Embedded heat exchanger for heating, ventilation, and air conditioning (HVAC) systems and methods

#75
20140148955
2014-05-29

Installation guide system for air conditioner and method of using the same

#76
20140033741
2014-02-06

Air conditioner

#77
20130297253
2013-11-07

Piping length measuring system and piping length calculating apparatus

#78
20120318005
2012-12-20

Apparatus and method for installation by unlicensed personnel of a pre-charged, ductless heating/cooling system

#79
20120304685
2012-12-06

AIR CONDITIONER

#80
20120291472
2012-11-22

Air-conditioning apparatus

#81
20120186289
2012-07-26

Shipping and installation for heating, ventilation, and air conditioning (HVAC)

#82
20120186277
2012-07-26

APPARATUS AND METHOD FOR INSTALLATION BY UNLICENSED PERSONNEL OF A PRE-CHARGED, DUCTLES HEATING/COOLING SYSTEM

#83
20120168113
2012-07-05

EMBEDDED HEAT EXCHANGER FOR HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) SYSTEMS AND METHODS

#84
20120000553
2012-01-05

Refrigerant distribution unit for air conditioner

#85
20120000230
2012-01-05

Refrigerant distribution unit for air conditioner

#86
20120000227
2012-01-05

Refrigerant distribution unit for air conditioner

#87
20110314861
2011-12-29

Air conditioner and outdoor unit

#88
20110239678
2011-10-06

Flare nut and refrigerant pipe set, air conditioner, and freezer including the same

#89
20110224921
2011-09-15

Air conditioning system and method for calculating amount of filling refrigerants of the same

#90
20110219804
2011-09-15

AIR CONDITIONING DEVICE

#91
20110219803
2011-09-15

AIR CONDITIONING DEVICE INCLUDING OUTDOOR UNIT AND DISTRIBUTION UNIT

#92
20110219799
2011-09-15

AIR CONDITIONER

#93
20110219798
2011-09-15

Communication apparatus, air conditioning system having the same and communication method thereof using refrigerant pipes

#94
20110219795
2011-09-15

CORE ASSEMBLY FOR AIR CONDITIONER AND AIR CONDITIONER HAVING THE SAME

#95
20100317288
2010-12-16

Air conditioning equipment, signal transmission method, and signal transmission method for air conditioning equipment

#96
20100317287
2010-12-16

Airconditioning equipment, signal transmission method, and signal transmission method for air conditioning equipment

#97
20100293974
2010-11-25

Air conditioning equipment, signal transmission method, and signal transmission method for air conditioning equipment

#98
20100252641
2010-10-07

Shipping and installation for heating, ventilation, and air conditioning (HVAC)

#99
20100199700
2010-08-12

INDOOR UNIT FOR AIR CONDITIONER

#100
20100199695
2010-08-12

Air conditioning apparatus

#101
20100025548
2010-02-04

Pipe support assembly

#102
20090107161
2009-04-30

Air conditioner with multi-level refrigerant tube support

#103
20090049855
2009-02-26

Branching refrigerant relay unit and method of manufacturing the same

#104
20090049850
2009-02-26

Pipe-connection searching apparatus for multi-air conditioner

#105
20090044554
2009-02-19

SHUT-OFF VALVE SUPPORT MEMBER AND OUTDOOR UNIT OF AIR CONDITIONER PROVIDED WITH THE SAME

#106
20080164006
2008-07-10

Embedded heat exchanger for heating, ventilatiion, and air conditioning (HVAC) systems and methods

#107
20080148654
2008-06-26

Air conditioning line flashing panel

#108
20080141524
2008-06-19

Refrigerating Apparatus Assembling Method

#109
20080032621
2008-02-07

Air conditioning equipment, signal transmission method, and signal transmission method for air conditioning equipment

#110
20080022700
2008-01-31

INDOOR UNIT OF AIR CONDITIONER

#111
20080000249
2008-01-03

Indoor unit of an air conditioner

#112
20070261327
2007-11-15

Air conditioning line flashing panel

#113
20060249589
2006-11-09

Shipping and installation for heating, ventilation, and air conditioning (HVAC)

#114
20060168982
2006-08-03

Heat exchanger for improving thermal efficiency and air conditioner mounted therewith

#115
20060123711
2006-06-15

Air conditioning line flashing panel

#116
20060086105
2006-04-27

System and method for detecting clogged state of pipe of heat pump type multi-air conditioner

#117
20060070719
2006-04-06

Air conditioner

#118
20050172656
2005-08-11

Pipe structure for outdoor unit of air conditioner

#119
20050166624
2005-08-04

Electric insulating device of air conditioner, and air conditioner with the device

#120
20050150247
2005-07-14

Outdoor unit of air conditioner

#121
20050120732
2005-06-09

Connection structure of coolant pipe of air conditioner

#122
20050102913
2005-05-19

Air conditioning line flashing panel

#123
20050081550
2005-04-21

Piping structure of air conditioner

#124
19005075
2025-08-19

Heating, air conditioning, and dehumidification (“HACD”) systems based on legacy form factor

#125
15623864
2019-11-12

Davit system for servicing an air conditioning unit