CPC Subgroup
F24F 11/33 to fire, excessive heat or smoke
Full Title
Control or safety arrangements > for purposes related to the operation of the system, e.g. for safety or monitoring > Responding to malfunctions or emergencies > to fire, excessive heat or smoke
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F24F 11/34 by opening air passages
- F24F 11/35 by closing air passages
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