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CPC Main Group
D01H 13/00

Other common constructional features, details or accessories

11 direct subcodes

Child Classifications

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  • D01H 13/02 Roller arrangements not otherwise provided for
  • D01H 13/08 Twist arresters
  • D01H 13/12 Arrangements preventing snarls or inadvertent doubling of yarns
  • D01H 13/26 Arrangements facilitating the inspection or testing of yarns or the like in connection with spinning or twisting
  • D01H 13/28 Heating or cooling arrangements
  • D01H 13/32 Counting, measuring, recording or registering devices

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