for expelling contents

for expelling contents · 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 codeB65D35/28
Official titlefor expelling contents
Display labelfor expelling contents
Total patents73

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20155
20167
201710
201810
201914
202010
20215
20224
20234
20242
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 B65D35/28?
CPC B65D35/28 is the Cooperative Patent Classification code for “for expelling contents.”
How many patents are filed under CPC B65D35/28 (for expelling contents)?
Our database includes 73 publications tagged with this CPC code.
Is patent activity under CPC B65D35/28 growing?
Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).