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DIFF Subgroup
F24F 13/06

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

Introduced: September 1968

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

Of 10 combined children, 6 exist in both systems.

4 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • F24F 13/0604 CPC only CPC only
  • F24F 13/062 having one or more bowls or cones diverging in the flow direction since 1980 IPC+CPC Available in IPC and CPC
  • F24F 13/065 formed as cylindrical or spherical bodies which are rotatable since 1980 IPC+CPC Available in IPC and CPC
  • F24F 13/068 formed as perforated walls, ceilings or floors (F24F13/078 takes precedence) since 1980 IPC+CPC Available in IPC and CPC
  • F24F 13/072 of elongated shape, e.g. between ceiling panels since 1980 IPC+CPC Available in IPC and CPC
  • F24F 13/075 having parallel rods or lamellae directing the outflow, e.g. the rods or lamellae being individually adjustable (F24F13/072 takes precedence) since 1980 IPC+CPC Available in IPC and CPC
  • F24F 13/078 combined with lighting fixtures since 1980 IPC+CPC Available in IPC and CPC
  • F24F 2013/0608 2nd only CPC only CPC only
  • F24F 2013/0612 2nd only CPC only CPC only
  • F24F 2013/0616 2nd only CPC only CPC only

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class F24,2013–2023, worldwide · Source: EPO PATSTAT

  1. GREE ELECTRIC APPLIANCES 11,167
  2. QINGDAO HAIER AIR CONDITIONER COMPANY 9,225
  3. HAIER SMART HOME 8,998
  4. MIDEA 8,874
  5. GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY 8,724
  6. LG ELECTRONICS KR 7,258
  7. MITSUBISHI ELECTRIC CORPORATION JP 7,009
  8. QINGDAO HAIER AIR CONDITIONER ELECTRIC COMPANY 6,104
  9. BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,544
  10. NINGBO AUX ELECTRIC COMPANY 3,302