providing specific environment for contents, e.g. temperature above or below ambient (with thermal insulation B65D81/38)

providing specific environment for contents, e.g. temperature above or below ambient (with thermal insulation B65D81/38) · 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 codeB65D81/18
Official titleproviding specific environment for contents, e.g. temperature above or below ambient (with thermal insulation B65D81/38)
Display labelproviding specific environment for contents, e.g. temperature above or below ambient (with thermal insulation B65D81/38)
Total patents526

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
201528
201630
201740
201847
201945
202069
202163
202259
202344
202453
202537
202611

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 B65D81/18?
CPC B65D81/18 is the Cooperative Patent Classification code for “providing specific environment for contents, e.g. temperature above or below ambient (with thermal insulation B65D81/38).”
How many patents are filed under CPC B65D81/18 (providing specific environment for contents, e.g. temperature above or below ambient (with thermal insulation B65D81/38))?
Our database includes 526 publications tagged with this CPC code.
Is patent activity under CPC B65D81/18 growing?
Publication counts under this code: 53 in 2024 vs 37 in 2025 (latest complete years).