with use of metal first

with use of metal first · 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 codeC23C18/208
Official title{with use of metal first}
Display labelwith use of metal first
Total patents87

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
20159
201613
201717
20184
201912
20208
202110
20225
20234
20243
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 C23C18/208?
CPC C23C18/208 is the Cooperative Patent Classification code for “with use of metal first.”
How many patents are filed under CPC C23C18/208 (with use of metal first)?
Our database includes 87 publications tagged with this CPC code.
Is patent activity under CPC C23C18/208 growing?
Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).