Inspection openings or windows

Inspection openings or windows · 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 codeB65D25/54
Official titleInspection openings or windows
Display labelInspection openings or windows
Total patents288

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
201517
201623
201735
201831
201923
202028
202121
202229
202335
202420
202521
20265

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 B65D25/54?
CPC B65D25/54 is the Cooperative Patent Classification code for “Inspection openings or windows.”
How many patents are filed under CPC B65D25/54 (Inspection openings or windows)?
Our database includes 288 publications tagged with this CPC code.
Is patent activity under CPC B65D25/54 growing?
Publication counts under this code: 20 in 2024 vs 21 in 2025 (latest complete years).