CPC Subgroup
D02G 1/12 using stuffer boxes
Full Title
Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics (yarns per se D02G3/00; during formation of artificial filaments, threads, or the like D01D5/22; general aspects of chemical treatment D06M) > using stuffer boxes
3 direct subcodes
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