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PCE
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DIFF Main Group
F24F 8/00

Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying

Introduced: January 2021

Additional Content IPC

Self-contained air purifier self-contained air purifiers Apparatus with all its air purifying elements, e.g. filters or fans, arranged in a common casing.

IPC and CPC are identically structured here. All 10 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2021.

Child Classifications

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  • F24F 8/30 by ionisation since 2021 IPC+CPC Available in IPC and CPC
  • F24F 8/40 by ozonisation (for sterilisation F24F8/26) since 2021 IPC+CPC Available in IPC and CPC
  • F24F 8/50 by odorisation since 2021 IPC+CPC Available in IPC and CPC
  • F24F 8/60 by adding oxygen since 2021 IPC+CPC Available in IPC and CPC
  • F24F 8/70 by removing radon since 2021 IPC+CPC Available in IPC and CPC
  • F24F 8/80 Self-contained air purifiers since 2021 IPC+CPC Available in IPC and CPC
  • F24F 8/90 Cleaning of purification apparatus since 2021 IPC+CPC Available in IPC and CPC

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