DIFF Subgroup
D02G 3/22 Yarns or threads characterised by constructional features
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
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
CPC:
Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for (for producing crimped or curled yarns D02G1/00) > Yarns or threads characterised by constructional features
IPC and CPC are identically structured here. All 8 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- D02G 3/24 Bulked yarns or threads, e.g. formed from staple fibre components with different relaxation characteristics IPC+CPC Available in IPC and CPC
- D02G 3/26 with characteristics dependent on the amount or direction of twist IPC+CPC Available in IPC and CPC
- D02G 3/34 Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns +2 CPC IPC+CPC Available in IPC and CPC
- D02G 3/36 Cored or coated yarns or threads (; elastic yarns or threads D02G3/32) +2 CPC IPC+CPC Available in IPC and CPC
- D02G 3/38 Threads in which fibres, filaments, or yarns are wound with other yarns or filaments, ; (covering endless core threads with fibres by using open-end spinning techniques D01H4/00) +1 CPC IPC+CPC Available in IPC and CPC
- D02G 3/40 Yarns in which fibres are united by adhesives; Impregnated yarns or threads +3 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class D02,2013–2023, worldwide · Source: EPO PATSTAT
- TORAY INDUSTRIES JP 443
- OERLIKON TEXTILE & COMPANY DE 242
- KOLON INDUSTRIES KR 232
- CONTINENTAL REIFEN DE 204
- JIANGNAN UNIVERSITY 193
- COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 178
- TMT MACHINERY 168
- NATIONAL DONG HWA UNIVERSITY 163
- WUHAN TEXTILE UNIVERSITY 153
- P&G (PROCTER & GAMBLE COMPANY) US 131