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CPC Main Group
D02J 3/00

Modifying the surface

6 direct subcodes

Child Classifications

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  • D02J 3/02 by abrading, scraping, scuffing, cutting, or nicking (preliminary roughening of fibres, e.g. for spinning, D01G3/00)
  • D02J 3/04 by brushing
  • D02J 3/10 by indenting
  • D02J 3/18 Treating with particulate, semi-solid, or solid substances, e.g. wax (during package formation B65H71/00; waxing yarns or the like as incidental measures during spinning or twisting D01H13/30)

Top Applicants

Top 10 applicants by patent filingsfor 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