for ventilating the contents (B65D5/4295, B65D51/1605 take precedence)

for ventilating the contents (B65D5/4295, B65D51/1605 take precedence) · 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 codeB65D81/263
Official title{for ventilating the contents (B65D5/4295, B65D51/1605 take precedence)}
Display labelfor ventilating the contents (B65D5/4295, B65D51/1605 take precedence)
Total patents61

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
20168
20173
20187
20197
20206
20216
20223
202310
20244
20253
20264

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 B65D81/263?
CPC B65D81/263 is the Cooperative Patent Classification code for “for ventilating the contents (B65D5/4295, B65D51/1605 take precedence).”
How many patents are filed under CPC B65D81/263 (for ventilating the contents (B65D5/4295, B65D51/1605 take precedence))?
Our database includes 61 publications tagged with this CPC code.
Is patent activity under CPC B65D81/263 growing?
Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).