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CPC Subgroup
D01H 7/24

Flyer or like arrangements

Full Title

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

7 direct subcodes

Child Classifications

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  • D01H 7/40 Flyer supports, e.g. rails
  • D01H 7/42 Arrangements coupling flyers to spindles
  • D01H 7/44 Drag arrangements for bobbins or flyers
  • D01H 7/46 Devices attached to, or integral with, flyers for temporarily increasing twist in material passing to them
  • D01H 7/48 Eyes or like guiding arrangements (D01H7/46 takes precedence)
  • D01H 7/50 Interrelated flyer and bobbin drive mechanisms, e.g. winding-on motions for cotton-roving frames

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