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IPC Subgroup
D01H 7/24

Flyer or like arrangements

Introduced: September 1968

Last revised: January 2006

Full Title

Spinning or twisting arrangements > for imparting permanent twist > Flyer or like arrangements

Classification Context

Section:
TEXTILES; PAPER
Class:
NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
Subclass:
SPINNING OR TWISTING

7 direct subcodes

Child Classifications

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  • D01H 7/4 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
  • D01H 7/5 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. NATIONAL DONG HWA UNIVERSITY 1,242
  2. MASCHINENFABRIK RIETER CH 1,162
  3. TORAY INDUSTRIES JP 1,093
  4. TORAY INDUSTRIES 802
  5. JIANGNAN UNIVERSITY 771
  6. WUHAN TEXTILE UNIVERSITY 663
  7. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 653
  8. CHINESE ACADEMY OF SCIENCES 559
  9. LENZING AT 525
  10. MURATA MACHINERY 492