PatentsDB

Discs

Discs · 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 codeD21D1/008
Official title{Discs}
Display labelDiscs
Total patents60

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20151
20161
20173
20182
20198
20204
20218
20228
20239
202413
20252
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 D21D1/008?
CPC D21D1/008 is the Cooperative Patent Classification code for “Discs.”
How many patents are filed under CPC D21D1/008 (Discs)?
Our database includes 60 publications tagged with this CPC code.
Is patent activity under CPC D21D1/008 growing?
Publication counts under this code: 13 in 2024 vs 2 in 2025 (latest complete years).