IPC Subgroup
D01H 5/18 Drafting machines or arrangements without fallers or like pinned bars
Introduced: September 1968
Last revised: January 2006
Full Title
Drafting machines or arrangements > Drafting machines or arrangements without fallers or like pinned bars
Classification Context
- Section:
- TEXTILES; PAPER
- Class:
- NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- Subclass:
- SPINNING OR TWISTING
12 direct subcodes
Child Classifications
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- D01H 5/2 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 5/3 incorporating arrangements for severing continuous filaments, e.g. in direct spinning
- 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 5/6 Arrangements maintaining drafting elements free of fibre accumulations
- D01H 5/7 Constructional features of drafting elements
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