CPC Subgroup
F24H 15/20 characterised by control inputs
Full Title
Control of fluid heaters > characterised by control inputs
20 direct subcodes
Child Classifications
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- F24H 15/204 Temperature of the air before heating
- F24H 15/208 Temperature of the air after heating
- F24H 15/212 Temperature of the water
- F24H 15/227 Temperature of the refrigerant in heat pump cycles
- F24H 15/235 Temperature of exhaust gases
- F24H 15/238 Flow rate
- F24H 15/242 Pressure
- F24H 15/246 Water level
- F24H 15/25 Temperature of the heat-generating means in the heater
- F24H 15/254 Room temperature
- F24H 15/258 Outdoor temperature
- F24H 15/262 Weather information or forecast
- F24H 15/265 Occupancy
- F24H 15/269 Time, e.g. hour or date
- F24H 15/273 Address or location
- F24H 15/277 Price
- F24H 15/281 Input from user
- F24H 15/288 Accumulation of deposits, e.g. lime or scale
- F24H 15/292 Metering of electricity sold to the grid
- F24H 15/296 Information from neighbouring devices
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