CPC Subgroup
D01H 5/18 Drafting machines or arrangements without fallers or like pinned bars
Full Title
Drafting machines or arrangements > Drafting machines or arrangements without fallers or like pinned bars
12 direct subcodes
Child Classifications
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- D01H 5/20 in which fibres are controlled by contact with stationary or reciprocating surfaces
- D01H 5/22 in which fibres are controlled by rollers only
- D01H 5/26 in which fibres are controlled by one or more endless aprons
- D01H 5/28 in which fibres are controlled by inserting twist during drafting
- D01H 5/30 incorporating arrangements for severing continuous filaments, e.g. in direct spinning (converting tows to slivers or yarns D01G1/06)
- D01H 5/32 Regulating or varying draft
- D01H 5/44 Adjusting drafting elements, e.g. altering ratch
- D01H 5/46 Loading arrangements
- D01H 5/56 Supports for drafting elements
- D01H 5/58 Arrangements for traversing drafting elements
- D01H 5/60 Arrangements maintaining drafting elements free of fibre accumulations
- D01H 5/70 Constructional features of drafting elements
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