Caps or cap-like covers with membranes, e.g. arranged to be pierced

Caps or cap-like covers with membranes, e.g. arranged to be pierced · 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 codeB65D41/20
Official titleCaps or cap-like covers with membranes, e.g. arranged to be pierced
Display labelCaps or cap-like covers with membranes, e.g. arranged to be pierced
Total patents26

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
20153
20162
20172
20181
20194
20203
20215
20221
20231
20241
20252
20261

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 B65D41/20?
CPC B65D41/20 is the Cooperative Patent Classification code for “Caps or cap-like covers with membranes, e.g. arranged to be pierced.”
How many patents are filed under CPC B65D41/20 (Caps or cap-like covers with membranes, e.g. arranged to be pierced)?
Our database includes 26 publications tagged with this CPC code.
Is patent activity under CPC B65D41/20 growing?
Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).