Extrusion moulding

Extrusion moulding · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC04B2235/6021
Official titleExtrusion moulding
Display labelExtrusion moulding
Total patents567

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201547
201661
201746
201868
201963
202053
202142
202254
202352
202439
202534
20268

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 C04B2235/6021?
CPC C04B2235/6021 is the Cooperative Patent Classification code for “Extrusion moulding.”
How many patents are filed under CPC C04B2235/6021 (Extrusion moulding)?
Our database includes 567 publications tagged with this CPC code.
Is patent activity under CPC C04B2235/6021 growing?
Publication counts under this code: 39 in 2024 vs 34 in 2025 (latest complete years).