D06F 33/5 Control of washer-dryers characterised by the purpose or target of the control
Introduced: January 2020
Full Title
Control of operations performed in washing machines or washer-dryers > Control of washer-dryers characterised by the purpose or target of the control
Classification Context
- Section:
- TEXTILES; PAPER
- Class:
- TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- Subclass:
- LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
Filing statistics
IPC D06F 33/5 belongs to the parent subclass D06F, which recorded 135,930 patent applications worldwide between 2013 and 2023. Annual filings grew from 8,089 in 2013 to 12,840 in 2023 (+59%), peaking at 15,523 applications in 2020. The most active applicants in class D06 are QINGDAO HAIER WASHING MACHINE COMPANY (10,520 applications), HAIER SMART HOME (8,532 applications) and LG ELECTRONICS (7,853 applications).
Source: EPO PATSTAT, worldwide filings
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 33/7 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
- 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
- QINGDAO HAIER WASHING MACHINE COMPANY 10,520
- HAIER SMART HOME 8,532
- LG ELECTRONICS KR 7,853
- WUXI LITTLE SWAN COMPANY 5,749
- QINGDAO HAIER WASHING MACHINE COMPANY CN 2,905
- BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 2,785
- SAMSUNG ELECTRONICS COMPANY KR 2,662
- GREE ELECTRIC APPLIANCES 1,701
- PANASONIC INTELLECTUAL PROPERTY 1,391
- MIELE DE 1,374