CPC Main Group Additional Only
F24F 2221/00 Details or features not otherwise provided for
26 direct subcodes
Child Classifications
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- F24F 2221/02 combined with lighting fixtures
- F24F 2221/08 Installation or apparatus for use in sport halls, e.g. swimming pools, ice rings
- F24F 2221/10 combined with, or integrated in, furniture
- F24F 2221/12 transportable
- F24F 2221/14 mounted on the ceiling
- F24F 2221/16 mounted on the roof
- F24F 2221/17 mounted in a wall
- F24F 2221/18 combined with domestic apparatus
- F24F 2221/20 mounted in or close to a window
- F24F 2221/22 Cleaning ducts or apparatus
- F24F 2221/26 improving the aesthetic appearance
- F24F 2221/28 using the Coanda effect
- F24F 2221/30 comprising fireproof material
- F24F 2221/32 preventing human errors during the installation, use or maintenance, e.g. goofy proof
- F24F 2221/34 Heater, e.g. gas burner, electric air heater
- F24F 2221/36 Modules, e.g. for an easy mounting or transport
- F24F 2221/38 Personalised air distribution
- F24F 2221/40 HVAC with raised floors
- F24F 2221/42 Mobile autonomous air conditioner, e.g. robots
- F24F 2221/44 Protection from terrorism or theft
Top Applicants
Top 10 applicants by patent filingsfor class F24, 2013–2023, worldwide · Source: EPO PATSTAT
- GREE ELECTRIC APPLIANCES 11,167
- QINGDAO HAIER AIR CONDITIONER COMPANY 9,225
- HAIER SMART HOME 8,998
- MIDEA 8,874
- GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY 8,724
- LG ELECTRONICS KR 7,258
- MITSUBISHI ELECTRIC CORPORATION JP 7,009
- QINGDAO HAIER AIR CONDITIONER ELECTRIC COMPANY 6,104
- BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,544
- NINGBO AUX ELECTRIC COMPANY 3,302