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CPC Subgroup
F24F 1/0035

characterised by introduction of outside air to the room

Full Title

Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station > Indoor units, e.g. fan coil units (self-contained units F24F1/02) > characterised by introduction of outside air to the room

1 direct subcode

Child Classifications

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  • F24F 1/0038 in combination with simultaneous exhaustion of inside air

Top Applicants

Top 10 applicants by patent filingsfor 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