PatentsDB

Alloys characterised by their composition {(treatment thereof for enhancing their electromagnetic properties C21D8/12)}

Alloys characterised by their composition {(treatment thereof for enhancing their electromagnetic properties C21D8/12)} · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH01F1/147
Official titleAlloys characterised by their composition {(treatment thereof for enhancing their electromagnetic properties C21D8/12)}
Display labelAlloys characterised by their composition {(treatment thereof for enhancing their electromagnetic properties C21D8/12)}
Total patents1,167

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
201520
201624
201725
201834
201984
2020109
2021124
2022213
2023122
2024219
2025158
202635

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 H01F1/147?
CPC H01F1/147 is the Cooperative Patent Classification code for “Alloys characterised by their composition {(treatment thereof for enhancing their electromagnetic properties C21D8/12)}.”
How many patents are filed under CPC H01F1/147 (Alloys characterised by their composition {(treatment thereof for enhancing their electromagnetic properties C21D8/12)})?
Our database includes 1,167 publications tagged with this CPC code.
Is patent activity under CPC H01F1/147 growing?
Publication counts under this code: 219 in 2024 vs 158 in 2025 (latest complete years).