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DIFF Subgroup
D01G 27/04

with automatic discharge of lap-roll or the like

Introduced: September 1968

Title

Titles differ between systems:

IPC: with automatic discharge of lap roll or the like

CPC: with automatic discharge of lap-roll or the like

Full Title

Full titles differ between systems:

IPC:

Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes > with automatic discharge of lap roll or the like

CPC:

Lap- or sliver-winding devices, e.g. for products of cotton scutchers, jute cards, or worsted gill boxes > with automatic discharge of lap-roll or the like

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class D01,2013–2023, worldwide · Source: EPO PATSTAT

  1. TORAY INDUSTRIES JP 1,268
  2. MASCHINENFABRIK RIETER CH 1,200
  3. NATIONAL DONG HWA UNIVERSITY 955
  4. LENZING AT 602
  5. P&G (PROCTER & GAMBLE COMPANY) US 594
  6. WUHAN TEXTILE UNIVERSITY 494
  7. TRUETZSCHLER & COMPANY DE 453
  8. KOLON INDUSTRIES KR 433
  9. OERLIKON TEXTILE & COMPANY DE 430
  10. CHINESE ACADEMY OF SCIENCES 412