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DIFF Subgroup
D04H 1/08

and hardened by felting; Felts or felted products

Introduced: September 1968

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 having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated man-made fibres > and hardened by felting; Felts or felted products

CPC:

Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres > from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres (felting apparatus D04H17/00) > and hardened by felting; Felts or felted products

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

Child Classifications

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  • D04H 1/09 Silk since 2012 IPC+CPC Available in IPC and CPC
  • D04H 1/16 Laminated felts in which the separate layers are united by a felting process IPC+CPC Available in IPC and CPC
  • D04H 1/20 Felts incorporating inserts or attachments, e.g. for ornamental purposes IPC+CPC Available in IPC and CPC
  • D04H 1/22 Three-dimensional [3D] articles formed by felting processes IPC+CPC Available in IPC and CPC
  • D04H 1/24 Covers felted on to three-dimensional [3D] articles IPC+CPC Available in 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