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 7/26 Flyer constructions
- 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
- NATIONAL DONG HWA UNIVERSITY 1,242
- MASCHINENFABRIK RIETER CH 1,162
- TORAY INDUSTRIES JP 1,093
- TORAY INDUSTRIES 802
- JIANGNAN UNIVERSITY 771
- WUHAN TEXTILE UNIVERSITY 663
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 653
- CHINESE ACADEMY OF SCIENCES 559
- LENZING AT 525
- MURATA MACHINERY 492