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 3/26 with characteristics dependent on the amount or direction of twist
- 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
- JIANGNAN UNIVERSITY 383
- TORAY INDUSTRIES JP 349
- TORAY INDUSTRIES 281
- OERLIKON TEXTILE & COMPANY DE 224
- CONTINENTAL REIFEN DE 208
- NATIONAL DONG HWA UNIVERSITY 203
- KOLON INDUSTRIES KR 188
- WUHAN TEXTILE UNIVERSITY 184
- COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 176
- TMT MACHINERY 155