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CPC Subgroup
F24H 15/305

Control of valves (of heat pumps F24H15/385, F24H15/39)

Full Title

Control of fluid heaters > characterised by control outputs; characterised by the components to be controlled > Control of valves (of heat pumps F24H15/385, F24H15/39)

4 direct subcodes

Child Classifications

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  • F24H 15/31 of valves having only one inlet port and one outlet port, e.g. flow rate regulating valves
  • F24H 15/315 of mixing valves
  • F24H 15/32 of switching valves (for by-passing F24H15/325)
  • F24H 15/325 of by-pass valves

Top Applicants

Top 10 applicants by patent filingsfor class F24, 2013–2023, worldwide · Source: EPO PATSTAT

  1. GREE ELECTRIC APPLIANCES 11,167
  2. QINGDAO HAIER AIR CONDITIONER COMPANY 9,225
  3. HAIER SMART HOME 8,998
  4. MIDEA 8,874
  5. GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY 8,724
  6. LG ELECTRONICS KR 7,258
  7. MITSUBISHI ELECTRIC CORPORATION JP 7,009
  8. QINGDAO HAIER AIR CONDITIONER ELECTRIC COMPANY 6,104
  9. BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 3,544
  10. NINGBO AUX ELECTRIC COMPANY 3,302