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 11/83 by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F 11/86 by controlling compressors within refrigeration or heat pump circuits
- F24F 11/87 by controlling absorption or discharge of heat in outdoor units
- 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
- MIDEA 21,834
- GREE ELECTRIC APPLIANCES 21,535
- GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY 20,870
- QINGDAO HAIER AIR CONDITIONER COMPANY 15,443
- HAIER SMART HOME 15,442
- QINGDAO HAIER AIR CONDITIONER ELECTRIC COMPANY 10,008
- AUX AIR CONDITIONING COMPANY 7,723
- NINGBO AUX ELECTRIC COMPANY 7,499
- NINGBO FOTILE KITCHENWARE COMPANY 6,712
- LG ELECTRONICS KR 6,441