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IPC Main Group
D02J 7/00

Cleaning, e.g. removing dust, loose fibres, charred ends

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
TEXTILES; PAPER
Class:
YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
Subclass:
FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES, OR THE LIKE

Filing statistics

IPC D02J 7/00 belongs to the parent subclass D02J, which recorded 9,637 patent applications worldwide between 2013 and 2023. Annual filings grew from 457 in 2013 to 1,278 in 2023 (+180%). The most active applicants in class D02 are JIANGNAN UNIVERSITY (383 applications), TORAY INDUSTRIES (349 applications) and TORAY INDUSTRIES (281 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

CLEANING yarns

Top Applicants

Top 10 applicants by patent filingsfor class D02, 2013–2023, worldwide · Source: EPO PATSTAT

  1. JIANGNAN UNIVERSITY 383
  2. TORAY INDUSTRIES JP 349
  3. TORAY INDUSTRIES 281
  4. OERLIKON TEXTILE & COMPANY DE 224
  5. CONTINENTAL REIFEN DE 208
  6. NATIONAL DONG HWA UNIVERSITY 203
  7. KOLON INDUSTRIES KR 188
  8. WUHAN TEXTILE UNIVERSITY 184
  9. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 176
  10. TMT MACHINERY 155