the filler comprising hollow constituents, e.g. syntactic foam

the filler comprising hollow constituents, e.g. syntactic foam · 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 codeB29C70/66
Official titlethe filler comprising hollow constituents, e.g. syntactic foam
Display labelthe filler comprising hollow constituents, e.g. syntactic foam
Total patents97

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
20158
201610
201712
20188
201911
20208
202110
20229
20238
20243
20253
20267

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 B29C70/66?
CPC B29C70/66 is the Cooperative Patent Classification code for “the filler comprising hollow constituents, e.g. syntactic foam.”
How many patents are filed under CPC B29C70/66 (the filler comprising hollow constituents, e.g. syntactic foam)?
Our database includes 97 publications tagged with this CPC code.
Is patent activity under CPC B29C70/66 growing?
Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).