by extrusion or pressing

by extrusion or pressing · 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 codeC11D13/18
Official titleby extrusion or pressing
Display labelby extrusion or pressing
Total patents40

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
20153
20174
20184
20193
20216
20226
20236
20246
20251
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 C11D13/18?
CPC C11D13/18 is the Cooperative Patent Classification code for “by extrusion or pressing.”
How many patents are filed under CPC C11D13/18 (by extrusion or pressing)?
Our database includes 40 publications tagged with this CPC code.
Is patent activity under CPC C11D13/18 growing?
Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).