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IPC Subgroup
F24F 13/06

Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser

Introduced: September 1968

Last revised: January 2006

Full Title

Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening > Ducting arrangements > Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
HEATING; RANGES; VENTILATING
Subclass:
AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING

Filing statistics

IPC F24F 13/06 belongs to the parent subclass F24F, which recorded 427,113 patent applications worldwide between 2013 and 2023. Annual filings grew from 18,421 in 2013 to 43,974 in 2023 (+139%), peaking at 53,956 applications in 2020. The most active applicants in class F24 are MIDEA (21,834 applications), GREE ELECTRIC APPLIANCES (21,535 applications) and GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY (20,870 applications).

Source: EPO PATSTAT, worldwide filings

6 direct subcodes

Child Classifications

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  • F24F 13/062 having one or more bowls or cones diverging in the flow direction
  • F24F 13/065 formed as cylindrical or spherical bodies which are rotatable
  • F24F 13/068 formed as perforated walls, ceilings or floors
  • F24F 13/072 of elongated shape, e.g. between ceiling panels
  • F24F 13/075 having parallel rods or lamellae directing the outflow, e.g. the rods or lamellae being individually adjustable
  • F24F 13/078 combined with lighting fixtures

Top Applicants

Top 10 applicants by patent filingsfor class F24, 2013–2023, worldwide · Source: EPO PATSTAT

  1. MIDEA 21,834
  2. GREE ELECTRIC APPLIANCES 21,535
  3. GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY 20,870
  4. QINGDAO HAIER AIR CONDITIONER COMPANY 15,443
  5. HAIER SMART HOME 15,442
  6. QINGDAO HAIER AIR CONDITIONER ELECTRIC COMPANY 10,008
  7. AUX AIR CONDITIONING COMPANY 7,723
  8. NINGBO AUX ELECTRIC COMPANY 7,499
  9. NINGBO FOTILE KITCHENWARE COMPANY 6,712
  10. LG ELECTRONICS KR 6,441