DIFF Subgroup
F24F 1/02 Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
Introduced: September 1968
Full Title
Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station > Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
IPC and CPC are identically structured here. All 13 subcodes exist in both systems.
3 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F24F 1/028 characterised by air supply means, e.g. fan casings, internal dampers or ducts (with secondary air induced by injector action of the primary air F24F1/01) since 2019 IPC+CPC Available in IPC and CPC
- F24F 1/029 characterised by the layout or mutual arrangement of components, e.g. of compressors or fans since 2019 IPC+CPC Available in IPC and CPC
- F24F 1/0326 characterised by the arrangement of refrigerant piping outside the heat exchanger within the unit casing since 2019 IPC+CPC Available in IPC and CPC
- F24F 1/0328 with means for purifying supplied air (perfuming or deodorising means F24F1/0355) since 2019 IPC+CPC Available in IPC and CPC
- F24F 1/0373 characterised by heating arrangements (characterised by heat exchangers F24F1/032) since 2019 IPC+CPC Available in IPC and CPC
- F24F 1/039 using water to enhance cooling, e.g. spraying onto condensers since 2019 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class F24,2013–2023, worldwide · Source: EPO PATSTAT
- MIDEA 21,834
- GREE ELECTRIC APPLIANCES 21,535
- GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY 20,870
- QINGDAO HAIER AIR CONDITIONER COMPANY 15,443
- HAIER SMART HOME 15,442
- QINGDAO HAIER AIR CONDITIONER ELECTRIC COMPANY 10,008
- AUX AIR CONDITIONING COMPANY 7,723
- NINGBO AUX ELECTRIC COMPANY 7,499
- NINGBO FOTILE KITCHENWARE COMPANY 6,712
- LG ELECTRONICS KR 6,441
Top Applicants (CPC)
Class F24,2013–2023, worldwide · Source: EPO PATSTAT
- GREE ELECTRIC APPLIANCES 11,167
- QINGDAO HAIER AIR CONDITIONER COMPANY 9,225
- HAIER SMART HOME 8,998
- MIDEA 8,874
- GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY 8,724
- LG ELECTRONICS KR 7,258
- MITSUBISHI ELECTRIC CORPORATION JP 7,009
- QINGDAO HAIER AIR CONDITIONER ELECTRIC COMPANY 6,104
- BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,544
- NINGBO AUX ELECTRIC COMPANY 3,302