Foaming unrestricted by cavity walls, e.g. without using moulds or using only internal cores

Foaming unrestricted by cavity walls, e.g. without using moulds or using only internal cores · 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 codeB29C44/022
Official title{Foaming unrestricted by cavity walls, e.g. without using moulds or using only internal cores}
Display labelFoaming unrestricted by cavity walls, e.g. without using moulds or using only internal cores
Total patents141

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20154
20165
201711
201819
201910
202021
202126
202213
202310
202412
20256
20264

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 B29C44/022?
CPC B29C44/022 is the Cooperative Patent Classification code for “Foaming unrestricted by cavity walls, e.g. without using moulds or using only internal cores.”
How many patents are filed under CPC B29C44/022 (Foaming unrestricted by cavity walls, e.g. without using moulds or using only internal cores)?
Our database includes 141 publications tagged with this CPC code.
Is patent activity under CPC B29C44/022 growing?
Publication counts under this code: 12 in 2024 vs 6 in 2025 (latest complete years).