Core-skin structure; Spinnerette packs therefor

Core-skin structure; Spinnerette packs therefor · 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 codeD01D5/34
Official titleCore-skin structure; Spinnerette packs therefor
Display labelCore-skin structure; Spinnerette packs therefor
Total patents376

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
201514
201618
201723
201821
201923
202038
202139
202251
202352
202442
202544
202611

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 D01D5/34?
CPC D01D5/34 is the Cooperative Patent Classification code for “Core-skin structure; Spinnerette packs therefor.”
How many patents are filed under CPC D01D5/34 (Core-skin structure; Spinnerette packs therefor)?
Our database includes 376 publications tagged with this CPC code.
Is patent activity under CPC D01D5/34 growing?
Publication counts under this code: 42 in 2024 vs 44 in 2025 (latest complete years).