by applying separate lids or covers {, i.e. flexible membrane or foil-like covers}

by applying separate lids or covers {, i.e. flexible membrane or foil-like covers} · 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 codeB65D77/20
Official titleby applying separate lids or covers {, i.e. flexible membrane or foil-like covers}
Display labelby applying separate lids or covers {, i.e. flexible membrane or foil-like covers}
Total patents187

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20157
201613
201721
201818
201919
202023
202114
202220
202314
202418
202517
20263

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 B65D77/20?
CPC B65D77/20 is the Cooperative Patent Classification code for “by applying separate lids or covers {, i.e. flexible membrane or foil-like covers}.”
How many patents are filed under CPC B65D77/20 (by applying separate lids or covers {, i.e. flexible membrane or foil-like covers})?
Our database includes 187 publications tagged with this CPC code.
Is patent activity under CPC B65D77/20 growing?
Publication counts under this code: 18 in 2024 vs 17 in 2025 (latest complete years).