Transition metals

Transition metals · 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 codeB29K2505/08
Official titleTransition metals
Display labelTransition metals
Total patents110

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20158
20166
201713
201813
20198
202010
20219
202212
202313
20245
202512
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 B29K2505/08?
CPC B29K2505/08 is the Cooperative Patent Classification code for “Transition metals.”
How many patents are filed under CPC B29K2505/08 (Transition metals)?
Our database includes 110 publications tagged with this CPC code.
Is patent activity under CPC B29K2505/08 growing?
Publication counts under this code: 5 in 2024 vs 12 in 2025 (latest complete years).