CPC Subgroup
F24H 1/22 Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
Full Title
Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters (steam boilers F22B) > Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
6 direct subcodes
Child Classifications
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- F24H 1/24 with water mantle surrounding the combustion chamber or chambers
- F24H 1/34 with water chamber arranged adjacent to the combustion chamber or chambers, e.g. above or at side
- F24H 1/38 with water contained in separate elements, e.g. radiator-type element
- F24H 1/40 with water tube or tubes
- F24H 1/44 with combinations of two or more of the types covered by groups F24H1/24 - F24H1/40
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