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DIFF Subgroup
F24B 1/189

characterised by air-handling means, i.e. of combustion-air, heated-air, or flue-gases, e.g. draught control dampers (condition responsive controls for regulating combustion F24B1/187; by use of heat exchange means F24B1/188)

Introduced: January 1985

Title

Titles differ between systems:

IPC: characterised by air-handling means, i.e. of combustion-air, heated-air, or flue-gases, e.g. draught control dampers

CPC: characterised by air-handling means, i.e. of combustion-air, heated-air, or flue-gases, e.g. draught control dampers (condition responsive controls for regulating combustion F24B1/187; by use of heat exchange means F24B1/188)

Full Title

Full titles differ between systems:

IPC:

Stoves or ranges > Stoves with open fires, e.g. fireplaces > with air-handling means, heat exchange means, or additional provisions for convection heating; Controlling combustion > characterised by air-handling means, i.e. of combustion-air, heated-air, or flue-gases, e.g. draught control dampers

CPC:

Stoves or ranges > Stoves with open fires, e.g. fireplaces > with air-handling means, heat exchange means, or additional provisions for convection heating (with additional provisions for heating water F24B1/183; component parts or accessories having air-handling means, heat exchange means, or additional provisions for convection heating F24B1/191); Controlling combustion > characterised by air-handling means, i.e. of combustion-air, heated-air, or flue-gases, e.g. draught control dampers (condition responsive controls for regulating combustion F24B1/187; by use of heat exchange means F24B1/188)

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1985.

Child Classifications

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  • F24B 1/1895 CPC only CPC only

Top Applicants

Top Applicants (IPC)

Class F24,2013–2023, worldwide · Source: EPO PATSTAT

  1. MIDEA 21,834
  2. GREE ELECTRIC APPLIANCES 21,535
  3. GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY 20,870
  4. QINGDAO HAIER AIR CONDITIONER COMPANY 15,443
  5. HAIER SMART HOME 15,442
  6. QINGDAO HAIER AIR CONDITIONER ELECTRIC COMPANY 10,008
  7. AUX AIR CONDITIONING COMPANY 7,723
  8. NINGBO AUX ELECTRIC COMPANY 7,499
  9. NINGBO FOTILE KITCHENWARE COMPANY 6,712
  10. LG ELECTRONICS KR 6,441

Top Applicants (CPC)

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