DIFF Main Group
D06F 34/00 Details of control systems for washing machines, washer-dryers or laundry dryers
Introduced: January 2020
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 34/04 Signal transfer or data transmission arrangements since 2020 IPC+CPC Available in IPC and CPC
- D06F 34/10 Power supply arrangements, e.g. stand-by circuits since 2020 IPC+CPC Available in IPC and CPC
- D06F 34/14 Arrangements for detecting or measuring specific parameters since 2020 IPC+CPC Available in IPC and CPC
- D06F 34/28 Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress since 2020 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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