CPC Subgroup
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)
Full Title
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 > 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 direct subcode
Child Classifications
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Top Applicants
Top 10 applicants by patent filingsfor 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