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IPC Subgroup
F24F 11/8

for controlling the temperature of the supplied air

Introduced: January 2018

Full Title

Control or safety arrangements > Control systems characterised by their outputs; Constructional details thereof > for controlling the temperature of the supplied air

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

6 direct subcodes

Child Classifications

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  • F24F 11/81 by controlling the air supply to heat-exchangers or bypass channels
  • F24F 11/86 by controlling compressors within refrigeration or heat pump circuits
  • F24F 11/873 by controlling refrigerant heaters
  • F24F 11/875 by controlling heat-storage apparatus

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