fibres with noncircular cross-sections

fibres with noncircular cross-sections · 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 codeD04H1/43912
Official title{fibres with noncircular cross-sections}
Display labelfibres with noncircular cross-sections
Total patents68

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20156
20165
20176
20185
20195
20208
20218
20228
20236
20246
20254
20261

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 D04H1/43912?
CPC D04H1/43912 is the Cooperative Patent Classification code for “fibres with noncircular cross-sections.”
How many patents are filed under CPC D04H1/43912 (fibres with noncircular cross-sections)?
Our database includes 68 publications tagged with this CPC code.
Is patent activity under CPC D04H1/43912 growing?
Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).