by excluding light or other outside radiation (wrappers B65D65/16)

by excluding light or other outside radiation (wrappers B65D65/16) · 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 codeB65D81/30
Official titleby excluding light or other outside radiation (wrappers B65D65/16)
Display labelby excluding light or other outside radiation (wrappers B65D65/16)
Total patents104

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
20167
201713
20184
20198
202010
202111
202210
202311
20249
20259
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 B65D81/30?
CPC B65D81/30 is the Cooperative Patent Classification code for “by excluding light or other outside radiation (wrappers B65D65/16).”
How many patents are filed under CPC B65D81/30 (by excluding light or other outside radiation (wrappers B65D65/16))?
Our database includes 104 publications tagged with this CPC code.
Is patent activity under CPC B65D81/30 growing?
Publication counts under this code: 9 in 2024 vs 9 in 2025 (latest complete years).