Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
D04H 1/50

by treatment to produce shrinking, swelling, crimping or curling of fibres (in combination with needling D04H1/482)

Introduced: September 1968

Title

Titles differ between systems:

IPC: by treatment to produce shrinking, swelling, crimping or curling of fibres

CPC: by treatment to produce shrinking, swelling, crimping or curling of fibres (in combination with needling D04H1/482)

Full Title

Full titles differ between systems:

IPC:

Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres > from fleeces or layers composed of fibres without existing or potential cohesive properties > the fleeces or layers being consolidated by mechanical means, e.g. by rolling > by treatment to produce shrinking, swelling, crimping or curling of fibres

CPC:

Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres > from fleeces or layers composed of fibres without existing or potential cohesive properties > the fleeces or layers being consolidated by mechanical means, e.g. by rolling > by treatment to produce shrinking, swelling, crimping or curling of fibres (in combination with needling D04H1/482)

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

Top Applicants

Top Applicants (IPC)

Class D04,2013–2023, worldwide · Source: EPO PATSTAT

  1. P&G (PROCTER & GAMBLE COMPANY) US 887
  2. KIMBERLY-CLARK CORPORATION US 727
  3. TORAY INDUSTRIES JP 692
  4. NIKE US 633
  5. SEIKO EPSON CORPORATION 537
  6. TORAY INDUSTRIES 528
  7. NIKE INNOVATE US 522
  8. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 479
  9. NATIONAL DONG HWA UNIVERSITY 439
  10. NINGBO CIXING COMPANY 425

Top Applicants (CPC)

Class D04,2013–2023, worldwide · Source: EPO PATSTAT

  1. P&G (PROCTER & GAMBLE COMPANY) US 1,303
  2. TORAY INDUSTRIES JP 899
  3. KIMBERLY-CLARK CORPORATION US 856
  4. NIKE INNOVATE US 852
  5. NIKE US 749
  6. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 569
  7. SHIMA SEIKI MANUFACTURING JP 469
  8. SAINT-GOBAIN ISOVER FR 468
  9. REIFENHAEUSER & COMPANY MASCHINENFABRIK DE 462
  10. NIKE INNOVATE NL 363