Heat insulating devices, e.g. jackets for flasks

Heat insulating devices, e.g. jackets for flasks · 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 codeB01L7/04
Official titleHeat insulating devices, e.g. jackets for flasks
Display labelHeat insulating devices, e.g. jackets for flasks
Total patents47

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
20161
20172
20185
20197
20205
20217
20224
20234
20244
20258

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 B01L7/04?
CPC B01L7/04 is the Cooperative Patent Classification code for “Heat insulating devices, e.g. jackets for flasks.”
How many patents are filed under CPC B01L7/04 (Heat insulating devices, e.g. jackets for flasks)?
Our database includes 47 publications tagged with this CPC code.
Is patent activity under CPC B01L7/04 growing?
Publication counts under this code: 4 in 2024 vs 8 in 2025 (latest complete years).