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IPC Subgroup
D01H 13/3

Moistening, sizing, oiling, waxing, colouring, or drying yarns or the like as incidental measures during spinning or twisting

Introduced: September 1968

Last revised: January 2006

Full Title

Other common constructional features, details or accessories > Moistening, sizing, oiling, waxing, colouring, or drying yarns or the like as incidental measures during spinning or twisting

Classification Context

Section:
TEXTILES; PAPER
Class:
NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
Subclass:
SPINNING OR TWISTING

Related Keywords

COLOURING of yarns during spinning or twistingDRYING yarns, during spinning or twistingMOISTENING of yarns during spinning or twistingOILING of yarns during spinning or twistingSIZING of yarns during spinning or twistingWAXING of yarns during spinning or twisting

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