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IPC Subgroup
D01H 1/42

Guards or protectors for yarns or threads, e.g. separator plates, anti-ballooning devices

Introduced: September 1968

Last revised: January 2006

Full Title

Spinning or twisting machines in which the product is wound-up continuously > Details > Guards or protectors for yarns or threads, e.g. separator plates, anti-ballooning devices

Classification Context

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

Related Keywords

ANTI-BALLOONING devices in spinning or twisting machines

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