with at least one corrugated layer

with at least one corrugated layer · 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 codeB65D65/403
Official title{with at least one corrugated layer}
Display labelwith at least one corrugated layer
Total patents97

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
20152
20162
20175
20184
201911
202016
202111
202213
202316
202412
20255

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 B65D65/403?
CPC B65D65/403 is the Cooperative Patent Classification code for “with at least one corrugated layer.”
How many patents are filed under CPC B65D65/403 (with at least one corrugated layer)?
Our database includes 97 publications tagged with this CPC code.
Is patent activity under CPC B65D65/403 growing?
Publication counts under this code: 12 in 2024 vs 5 in 2025 (latest complete years).