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DIFF Main Group
F24F 6/00

Air-humidification

Introduced: January 1980

CPC subdivides this area 3x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

Note: 5 CPC extensions are marked as secondary classification only.

IPC defines codes here since 1980.

Child Classifications

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  • F24F 2006/001 2nd only CPC only CPC only
  • F24F 2006/003 2nd only CPC only CPC only
  • F24F 2006/005 2nd only CPC only CPC only
  • F24F 2006/006 2nd only CPC only CPC only
  • F24F 2006/008 2nd only CPC only CPC only
  • F24F 6/18 by injection of steam into the air since 1980 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