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CPC Subclass Not Allocatable
D06G

MECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES

Description

This subclass covers machines and methods for cleaning textile products, carpets, rugs, sacks, hides, and similar flexible materials through mechanical action or fluid pressure rather than chemical treatment. It includes equipment for beating, brushing, rubbing, or spraying these articles to remove dirt, dust, and contaminants. The subclass also encompasses apparatus for turning inside-out flexible tubular articles (such as stockings or gloves) and hollow textile structures, a specialized mechanical operation distinct from conventional cleaning processes.

Filing statistics

CPC subclass D06G recorded 3,973 patent applications worldwide between 2013 and 2023. Annual filings grew from 33 in 2013 to 499 in 2023 (+1412%), peaking at 882 applications in 2020. The most active applicants in class D06 are LG ELECTRONICS (7,955 applications), QINGDAO HAIER WASHING MACHINE COMPANY (7,190 applications) and HAIER SMART HOME (5,471 applications).

Source: EPO PATSTAT, worldwide filings

3 direct subcodes

Child Classifications

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  • D06G 5/00 Mechanical, vacuum, or pressure cleaning in combination with the turning inside-out of flexible tubular or other hollow articles

Top Applicants

Top 10 applicants by patent filingsfor class D06, 2013–2023, worldwide · Source: EPO PATSTAT

  1. LG ELECTRONICS KR 7,955
  2. QINGDAO HAIER WASHING MACHINE COMPANY 7,190
  3. HAIER SMART HOME 5,471
  4. QINGDAO HAIER WASHING MACHINE COMPANY CN 2,962
  5. BSH (BOSCH UND SIEMENS HAUSGERAETE) DE 2,870
  6. WUXI LITTLE SWAN COMPANY 2,869
  7. SAMSUNG ELECTRONICS COMPANY KR 2,731
  8. MIELE DE 1,371
  9. WHIRLPOOL CORPORATION US 1,285
  10. ELECTROLUX APPLIANCES SE 1,261