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IPC Subgroup
D02G 3/22

Yarns or threads characterised by constructional features

Introduced: September 1968

Last revised: January 2006

Full Title

Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for > Yarns or threads characterised by constructional features

Classification Context

Section:
TEXTILES; PAPER
Class:
YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
Subclass:
CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS OR THREADS

8 direct subcodes

Child Classifications

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  • D02G 3/24 Bulked yarns or threads, e.g. formed from staple fibre components with different relaxation characteristics
  • D02G 3/32 Elastic yarns or threads
  • D02G 3/34 Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
  • D02G 3/36 Cored or coated yarns or threads
  • D02G 3/38 Threads in which fibres, filaments, or yarns are wound with other yarns or filaments
  • D02G 3/4 Yarns in which fibres are united by adhesives; Impregnated yarns or threads
  • D02G 3/42 Chenille threads

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