Responding to malfunctions or emergencies

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

5 direct subcodes

Child Classifications

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F24F 11/33 to fire, excessive heat or smoke
F24F 11/36 to leakage of heat-exchange fluid
F24F 11/37 Resuming operation, e.g. after power outages; Emergency starting
F24F 11/38 Failure diagnosis
F24F 11/39 Monitoring filter performance

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