DIFF Subgroup
D04H 3/08 characterised by the method of strengthening or consolidating
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Non woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length > characterised by the method of strengthening or consolidating
CPC:
Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length > characterised by the method of strengthening or consolidating
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
Child Classifications
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- D04H 3/10 with bonds between yarns or filaments made mechanically +1 CPC IPC+CPC Available in IPC and CPC
- D04H 3/12 with filaments or yarns secured together by chemical or thermo-activatable bonding agents, e.g. adhesives, applied or incorporated in liquid or solid form IPC+CPC Available in IPC and CPC
- D04H 3/14 with bonds between thermoplastic yarns or filaments produced by welding IPC+CPC Available in IPC and CPC
- D04H 3/16 with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion +2 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class D04,2013–2023, worldwide · Source: EPO PATSTAT
- P&G (PROCTER & GAMBLE COMPANY) US 887
- KIMBERLY-CLARK CORPORATION US 727
- TORAY INDUSTRIES JP 692
- NIKE US 633
- SEIKO EPSON CORPORATION 537
- TORAY INDUSTRIES 528
- NIKE INNOVATE US 522
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 479
- NATIONAL DONG HWA UNIVERSITY 439
- NINGBO CIXING COMPANY 425
Top Applicants (CPC)
Class D04,2013–2023, worldwide · Source: EPO PATSTAT
- P&G (PROCTER & GAMBLE COMPANY) US 1,303
- TORAY INDUSTRIES JP 899
- KIMBERLY-CLARK CORPORATION US 856
- NIKE INNOVATE US 852
- NIKE US 749
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 569
- SHIMA SEIKI MANUFACTURING JP 469
- SAINT-GOBAIN ISOVER FR 468
- REIFENHAEUSER & COMPANY MASCHINENFABRIK DE 462
- NIKE INNOVATE NL 363