Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening

Filing statistics

CPC F24F 13/00 belongs to the parent subclass F24F, which recorded 206,163 patent applications worldwide between 2013 and 2023. Annual filings grew from 8,591 in 2013 to 18,415 in 2023 (+114%), peaking at 24,797 applications in 2018. The most active applicants in class F24 are GREE ELECTRIC APPLIANCES (11,167 applications), QINGDAO HAIER AIR CONDITIONER COMPANY (9,225 applications) and HAIER SMART HOME (8,998 applications).

Source: EPO PATSTAT, worldwide filings

9 direct subcodes

Child Classifications

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F24F 13/02 Ducting arrangements
F24F 13/08 Air-flow control members, e.g. louvres, grilles, flaps or guide plates (F24F7/013, F24F13/06 take precedence)
F24F 13/20 Casings or covers
F24F 13/22 Means for preventing condensation or evacuating condensate
F24F 13/24 Means for preventing or suppressing noise
F24F 13/26 Arrangements for air-circulation by means of induction, e.g. by fluid coupling or thermal effect
F24F 13/28 Arrangement or mounting of filters
F24F 13/30 Arrangement or mounting of heat-exchangers
F24F 13/32 Supports for air-conditioning, air-humidification or ventilation units

Top Applicants

Top 10 applicants by patent filingsfor 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