Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
D01B 3/04

Machines or apparatus for washing or scouring loose wool fibres

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Mechanical removal of impurities from animal fibres > Machines or apparatus for washing or scouring loose wool fibres

CPC:

Mechanical removal of impurities from animal fibres (carbonising rags to recover animal fibres D01C5/00) > Machines or apparatus for washing or scouring loose wool fibres

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

Navigate with arrow keys, Enter to open

  • D01B 3/06 with circular movement of either wool or liquid IPC+CPC Available in IPC and CPC
  • D01B 3/08 with longitudinal movement of either wool or liquid IPC+CPC Available in IPC and CPC
  • D01B 3/10 Details of machines or apparatus IPC+CPC Available in 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