D06B 23/20 Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
Introduced: July 1974
Full Title
Full titles differ between systems:
Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups > Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00 > Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1974.
Child Classifications
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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