CPC Subgroup
D04H 1/48 in combination with at least one other method of consolidation
Full Title
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 needling or like operations to cause entanglement of fibres (D04H1/45 takes precedence; needling machines D04H18/00) > in combination with at least one other method of consolidation
4 direct subcodes
Child Classifications
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- D04H 1/482 in combination with shrinkage
- D04H 1/485 in combination with weld-bonding
- D04H 1/488 in combination with bonding agents
- D04H 1/49 entanglement by fluid jet in combination with another consolidation means
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