Contents retaining means

Contents retaining means · 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 codeB65D90/004
Official title{Contents retaining means}
Display labelContents retaining means
Total patents25

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
20172
20184
20192
20203
20223
20232
20243
20252

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 B65D90/004?
CPC B65D90/004 is the Cooperative Patent Classification code for “Contents retaining means.”
How many patents are filed under CPC B65D90/004 (Contents retaining means)?
Our database includes 25 publications tagged with this CPC code.
Is patent activity under CPC B65D90/004 growing?
Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).