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 7/26 Flyer constructions
- 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
- TORAY INDUSTRIES JP 1,268
- MASCHINENFABRIK RIETER CH 1,200
- NATIONAL DONG HWA UNIVERSITY 955
- LENZING AT 602
- P&G (PROCTER & GAMBLE COMPANY) US 594
- WUHAN TEXTILE UNIVERSITY 494
- TRUETZSCHLER & COMPANY DE 453
- KOLON INDUSTRIES KR 433
- OERLIKON TEXTILE & COMPANY DE 430
- CHINESE ACADEMY OF SCIENCES 412