Fluid distribution means

Full Title

Components of central heating installations excluding heat sources > Fluid distribution means

Filing statistics

CPC F24D 2220/02 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 2220/0207 Pumps
F24D 2220/0214 Inlets or outlets
F24D 2220/0221 Mixing cylinders
F24D 2220/0228 Branched distribution conduits
F24D 2220/0235 Three-way-valves
F24D 2220/0242 Multiple way valves
F24D 2220/025 Check valves
F24D 2220/0257 Thermostatic valves
F24D 2220/0264 Hydraulic balancing valves
F24D 2220/0271 Valves
F24D 2220/0278 Expansion vessels
F24D 2220/0285 Pipe sections
F24D 2220/0292 Fluid distribution networks

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