with two or more compartments

with two or more compartments · 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 codeB65D31/12
Official title{with two or more compartments}
Display labelwith two or more compartments
Total patents51

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20155
20163
20179
20185
20194
20205
20214
20224
20234
20243
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 B65D31/12?
CPC B65D31/12 is the Cooperative Patent Classification code for “with two or more compartments.”
How many patents are filed under CPC B65D31/12 (with two or more compartments)?
Our database includes 51 publications tagged with this CPC code.
Is patent activity under CPC B65D31/12 growing?
Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).