characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments

characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeD04H3/02
Official titlecharacterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
Display labelcharacterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
Total patents197

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201522
201610
201716
201812
201919
202010
202117
202218
202328
202421
202518
20266

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC D04H3/02?
CPC D04H3/02 is the Cooperative Patent Classification code for “characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments.”
How many patents are filed under CPC D04H3/02 (characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments)?
Our database includes 197 publications tagged with this CPC code.
Is patent activity under CPC D04H3/02 growing?
Publication counts under this code: 21 in 2024 vs 18 in 2025 (latest complete years).