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DIFF Subgroup
D06F 33/30

Control of washing machines characterised by the purpose or target of the control (controlling processes of washer-dryers D06F33/50)

Introduced: January 2020

Title

Titles differ between systems:

IPC: Control of washing machines characterised by the purpose or target of the control

CPC: Control of washing machines characterised by the purpose or target of the control (controlling processes of washer-dryers D06F33/50)

Full Title

Full titles differ between systems:

IPC:

Control of operations performed in washing machines or washer-dryers > Control of washing machines characterised by the purpose or target of the control

CPC:

Control of operations performed in washing machines or washer-dryers (D06F31/00 takes precedence; details of control systems therefor D06F34/00; control of operations performed in domestic laundry dryers D06F58/32) > Control of washing machines characterised by the purpose or target of the control (controlling processes of washer-dryers D06F33/50)

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2020.

Child Classifications

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  • D06F 33/43 Control of cleaning or disinfection of washing machine parts, e.g. of tubs since 2020 IPC+CPC Available in IPC and CPC
  • D06F 33/44 Control of the operating time, e.g. reduction of overall operating time since 2020 IPC+CPC Available in IPC and CPC
  • D06F 33/46 Control of the energy or water consumption since 2020 IPC+CPC Available in IPC and CPC
  • D06F 33/47 Responding to irregular working conditions, e.g. malfunctioning of pumps (safety arrangements D06F37/42) since 2020 IPC+CPC Available in IPC and CPC
  • D06F 33/48 Preventing or reducing imbalance or noise since 2020 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class D06,2013–2023, worldwide · Source: EPO PATSTAT

  1. QINGDAO HAIER WASHING MACHINE COMPANY 10,520
  2. HAIER SMART HOME 8,532
  3. LG ELECTRONICS KR 7,853
  4. WUXI LITTLE SWAN COMPANY 5,749
  5. QINGDAO HAIER WASHING MACHINE COMPANY CN 2,905
  6. BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 2,785
  7. SAMSUNG ELECTRONICS COMPANY KR 2,662
  8. GREE ELECTRIC APPLIANCES 1,701
  9. PANASONIC INTELLECTUAL PROPERTY 1,391
  10. MIELE DE 1,374

Top Applicants (CPC)

Class D06,2013–2023, worldwide · Source: EPO PATSTAT

  1. LG ELECTRONICS KR 7,955
  2. QINGDAO HAIER WASHING MACHINE COMPANY 7,190
  3. HAIER SMART HOME 5,471
  4. QINGDAO HAIER WASHING MACHINE COMPANY CN 2,962
  5. BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 2,870
  6. WUXI LITTLE SWAN COMPANY 2,869
  7. SAMSUNG ELECTRONICS COMPANY KR 2,731
  8. MIELE DE 1,371
  9. WHIRLPOOL CORPORATION US 1,285
  10. ELECTROLUX APPLIANCES SE 1,261