CPC Subgroup Additional Only
F24D 2220/20 Heat consumers
Full Title
Components of central heating installations excluding heat sources > Heat consumers
Filing statistics
CPC F24D 2220/20 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
3 direct subcodes
Child Classifications
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- F24D 2220/2009 Radiators
- F24D 2220/2081 Floor or wall heating panels
- F24D 2220/209 Sanitary water taps
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