DIFF Main Group
F24F 1/00 Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
Introduced: September 1968
IPC and CPC are identically structured here. All 5 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F24F 1/0003 characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units since 2019 IPC+CPC Available in IPC and CPC
- F24F 1/0007 Indoor units, e.g. fan coil units (self-contained units F24F1/02) since 2019 +3 CPC IPC+CPC Available in IPC and CPC
- F24F 1/01 in which secondary air is induced by injector action of the primary air since 1980 IPC+CPC Available in IPC and CPC
- F24F 1/02 Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing IPC+CPC Available in IPC and CPC
- F24F 1/06 Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger since 2011 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