CPC Subgroup
D06F 33/50 Control of washer-dryers characterised by the purpose or target of the control
Full Title
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 washer-dryers characterised by the purpose or target of the control
6 direct subcodes
Child Classifications
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- D06F 33/52 Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F 33/69 Control of cleaning or disinfection of washer-dryer parts, e.g. of tubs
- D06F 33/70 Control of the operating time, e.g. reduction of overall operating time
- D06F 33/72 Control of the energy or water consumption
- D06F 33/74 Responding to irregular working conditions, e.g. malfunctioning of pumps (safety arrangements for washing machines D06F37/42)
- D06F 33/76 Preventing or reducing imbalance or noise
Top Applicants
Top 10 applicants by patent filingsfor class D06, 2013–2023, worldwide · Source: EPO PATSTAT
- LG ELECTRONICS KR 7,955
- QINGDAO HAIER WASHING MACHINE COMPANY 7,190
- HAIER SMART HOME 5,471
- QINGDAO HAIER WASHING MACHINE COMPANY CN 2,962
- BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 2,870
- WUXI LITTLE SWAN COMPANY 2,869
- SAMSUNG ELECTRONICS COMPANY KR 2,731
- MIELE DE 1,371
- WHIRLPOOL CORPORATION US 1,285
- ELECTROLUX APPLIANCES SE 1,261