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CPC Subgroup
D01H 7/74

Cup or like arrangements

Full Title

Spinning or twisting arrangements (for open-end spinning D01H4/00) > for imparting permanent twist > Cup or like arrangements

4 direct subcodes

Child Classifications

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  • D01H 7/76 Rotary discs
  • D01H 7/82 Casings or guards for rotary cups or the like
  • D01H 7/84 Spindles or yarn carriers for co-operation with rotary cups

Top Applicants

Top 10 applicants by patent filingsfor class D01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. TORAY INDUSTRIES JP 1,268
  2. MASCHINENFABRIK RIETER CH 1,200
  3. NATIONAL DONG HWA UNIVERSITY 955
  4. LENZING AT 602
  5. P&G (PROCTER & GAMBLE COMPANY) US 594
  6. WUHAN TEXTILE UNIVERSITY 494
  7. TRUETZSCHLER & COMPANY DE 453
  8. KOLON INDUSTRIES KR 433
  9. OERLIKON TEXTILE & COMPANY DE 430
  10. CHINESE ACADEMY OF SCIENCES 412