CPC Main Group Additional Only
F24D 2200/00 Heat sources or energy sources
Filing statistics
CPC F24D 2200/00 belongs to the parent subclass F24D, which recorded 41,140 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,935 in 2013 to 3,391 in 2023 (+16%), peaking at 4,790 applications in 2018. The most active applicants in class F24 are GREE ELECTRIC APPLIANCES (11,167 applications), QINGDAO HAIER AIR CONDITIONER COMPANY (9,225 applications) and HAIER SMART HOME (8,998 applications).
Source: EPO PATSTAT, worldwide filings
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