D06P 3/34 Material containing ester groups
Introduced: September 1968
Last revised: January 2006
Full Title
Special processes of dyeing or printing textiles or dyeing leather, furs or solid macromolecular substances in any form, classified according to the material treated > Material containing ester groups
Classification Context
- Section:
- TEXTILES; PAPER
- Class:
- TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- Subclass:
- DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
Filing statistics
IPC D06P 3/34 belongs to the parent subclass D06P, which recorded 25,428 patent applications worldwide between 2013 and 2023. Annual filings declined from 1,964 in 2013 to 1,536 in 2023 (-22%), peaking at 3,341 applications in 2018. 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
4 direct subcodes
Child Classifications
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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