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IPC Main Group
D02J 1/00

Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers

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

10 direct subcodes

Child Classifications

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  • D02J 1/02 Bulking, e.g. looping
  • D02J 1/04 Compacting
  • D02J 1/06 Imparting irregularity, e.g. slubbing or other non-uniform features, e.g. high- and low-shrinkage or strengthened and weakened sections
  • D02J 1/08 Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams
  • D02J 1/12 Modifying stretch/bulk properties of textured yarns or the like by after-treatment
  • D02J 1/14 Rendering uniform or evening non-uniform features
  • D02J 1/16 Rubbing or similar working, e.g. to redistribute or remove fibres
  • D02J 1/18 Separating or spreading
  • D02J 1/2 Stressing or stress-relieving, e.g. by vibration or subjection to electrostatic stress or electric discharge
  • D02J 1/22 Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch

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