Metals

Metals · 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 codeC04B41/88
Official titleMetals
Display labelMetals
Total patents380

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
201513
201629
201725
201838
201947
202044
202135
202234
202333
202446
202530
20266

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 C04B41/88?
CPC C04B41/88 is the Cooperative Patent Classification code for “Metals.”
How many patents are filed under CPC C04B41/88 (Metals)?
Our database includes 380 publications tagged with this CPC code.
Is patent activity under CPC C04B41/88 growing?
Publication counts under this code: 46 in 2024 vs 30 in 2025 (latest complete years).