IPC Main Group
D01H 13/00 Other common constructional features, details or accessories
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- TEXTILES; PAPER
- Class:
- NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- Subclass:
- SPINNING OR TWISTING
10 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- D01H 13/02 Roller arrangements not otherwise provided for
- D01H 13/04 Guides for slivers, rovings, or yarns; Smoothing dies
- D01H 13/08 Twist arresters
- D01H 13/1 Tension devices
- D01H 13/12 Arrangements preventing snarls or inadvertent doubling of yarns
- D01H 13/14 Warning or safety devices, e.g. automatic fault detectors, stop motions
- D01H 13/26 Arrangements facilitating the inspection or testing of yarns or the like in connection with spinning or twisting
- D01H 13/28 Heating or cooling arrangements
- D01H 13/3 Moistening, sizing, oiling, waxing, colouring, or drying yarns or the like as incidental measures during spinning or twisting
- D01H 13/32 Counting, measuring, recording or registering devices
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