consisting of at least two parts of chemically or physically different materials, e.g. having different densities

consisting of at least two parts of chemically or physically different materials, e.g. having different densities · 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 codeB29C44/04
Official titleconsisting of at least two parts of chemically or physically different materials, e.g. having different densities
Display labelconsisting of at least two parts of chemically or physically different materials, e.g. having different densities
Total patents112

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
20158
20168
201710
201814
201915
202011
202112
20226
20238
20247
202511
20262

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 B29C44/04?
CPC B29C44/04 is the Cooperative Patent Classification code for “consisting of at least two parts of chemically or physically different materials, e.g. having different densities.”
How many patents are filed under CPC B29C44/04 (consisting of at least two parts of chemically or physically different materials, e.g. having different densities)?
Our database includes 112 publications tagged with this CPC code.
Is patent activity under CPC B29C44/04 growing?
Publication counts under this code: 7 in 2024 vs 11 in 2025 (latest complete years).