involving two drawing operations having effects in opposite directions with respect to the blank

involving two drawing operations having effects in opposite directions with respect to the blank · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB21D22/24
Official titleinvolving two drawing operations having effects in opposite directions with respect to the blank
Display labelinvolving two drawing operations having effects in opposite directions with respect to the blank
Total patents84

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
20154
20167
201712
20185
20197
20206
202110
20228
20238
20248
20258
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 B21D22/24?
CPC B21D22/24 is the Cooperative Patent Classification code for “involving two drawing operations having effects in opposite directions with respect to the blank.”
How many patents are filed under CPC B21D22/24 (involving two drawing operations having effects in opposite directions with respect to the blank)?
Our database includes 84 publications tagged with this CPC code.
Is patent activity under CPC B21D22/24 growing?
Publication counts under this code: 8 in 2024 vs 8 in 2025 (latest complete years).