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DIFF Subgroup
D02G 1/18

by combining fibres, filaments, or yarns, having different shrinkage characteristics

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Producing crimped or curled fibres, filaments, yarns or threads, giving them latent characteristics > by combining fibres, filaments, or yarns, having different shrinkage characteristics

CPC:

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) > by combining fibres, filaments, or yarns, having different shrinkage characteristics

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class D02,2013–2023, worldwide · Source: EPO PATSTAT

  1. TORAY INDUSTRIES JP 443
  2. OERLIKON TEXTILE & COMPANY DE 242
  3. KOLON INDUSTRIES KR 232
  4. CONTINENTAL REIFEN DE 204
  5. JIANGNAN UNIVERSITY 193
  6. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 178
  7. TMT MACHINERY 168
  8. NATIONAL DONG HWA UNIVERSITY 163
  9. WUHAN TEXTILE UNIVERSITY 153
  10. P&G (PROCTER & GAMBLE COMPANY) US 131