CPC Subgroup
D04H 1/72 the fibres being randomly arranged
Full Title
Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres > characterised by the method of forming fleeces or layers, e.g. reorientation of fibres > the fibres being randomly arranged
4 direct subcodes
Child Classifications
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- D04H 1/724 forming webs during fibre formation, e.g. flash-spinning
- D04H 1/728 by electro-spinning
- D04H 1/732 by fluid current, e.g. air-lay
- D04H 1/736 characterised by the apparatus for arranging fibres (D04H1/728, D04H1/732 take precedence)
Top Applicants
Top 10 applicants by patent filingsfor 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