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PCE
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CPC Subgroup
F24H 1/28

including one or more furnace or fire tubes

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 > with water mantle surrounding the combustion chamber or chambers > the water mantle forming an integral body > including one or more furnace or fire tubes

3 direct subcodes

Child Classifications

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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