in moist conditions or immersed in liquids

in moist conditions or immersed in liquids · 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 codeB65D81/22
Official titlein moist conditions or immersed in liquids
Display labelin moist conditions or immersed in liquids
Total patents235

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201524
201620
201732
201822
201927
202023
202118
202221
202311
202422
202512
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 B65D81/22?
CPC B65D81/22 is the Cooperative Patent Classification code for “in moist conditions or immersed in liquids.”
How many patents are filed under CPC B65D81/22 (in moist conditions or immersed in liquids)?
Our database includes 235 publications tagged with this CPC code.
Is patent activity under CPC B65D81/22 growing?
Publication counts under this code: 22 in 2024 vs 12 in 2025 (latest complete years).