CPC Main Group Additional Only
F24D 2200/00 Heat sources or energy sources
13 direct subcodes
Child Classifications
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- F24D 2200/02 Photovoltaic energy
- F24D 2200/04 Gas or oil fired boiler
- F24D 2200/06 Solid fuel fired boiler
- F24D 2200/07 Solid fuel burners
- F24D 2200/08 Electric heater
- F24D 2200/10 Fire place
- F24D 2200/11 Geothermal energy
- F24D 2200/12 Heat pump
- F24D 2200/13 Heat from a district heating network
- F24D 2200/14 Solar energy
- F24D 2200/15 Wind energy
- F24D 2200/16 Waste heat
- F24D 2200/32 involving multiple heat sources in combination or as alternative heat sources
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