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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

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  • D01H 13/02 Roller arrangements not otherwise provided for
  • D01H 13/08 Twist arresters
  • D01H 13/1 Tension devices
  • D01H 13/12 Arrangements preventing snarls or inadvertent doubling of yarns
  • 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

  1. NATIONAL DONG HWA UNIVERSITY 1,242
  2. MASCHINENFABRIK RIETER CH 1,162
  3. TORAY INDUSTRIES JP 1,093
  4. TORAY INDUSTRIES 802
  5. JIANGNAN UNIVERSITY 771
  6. WUHAN TEXTILE UNIVERSITY 663
  7. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 653
  8. CHINESE ACADEMY OF SCIENCES 559
  9. LENZING AT 525
  10. MURATA MACHINERY 492