Preventing air-inclusions

Preventing air-inclusions · 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 codeB29C66/342
Official title{Preventing air-inclusions}
Display labelPreventing air-inclusions
Total patents142

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
201510
201628
201725
201814
201913
202013
20219
20226
202310
20245
20258
20261

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 B29C66/342?
CPC B29C66/342 is the Cooperative Patent Classification code for “Preventing air-inclusions.”
How many patents are filed under CPC B29C66/342 (Preventing air-inclusions)?
Our database includes 142 publications tagged with this CPC code.
Is patent activity under CPC B29C66/342 growing?
Publication counts under this code: 5 in 2024 vs 8 in 2025 (latest complete years).