Noble metals

Noble 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 codeB01J29/74
Official titleNoble metals
Display labelNoble metals
Total patents358

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201527
201633
201739
201840
201942
202043
202132
202229
202323
202426
202518
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 B01J29/74?
CPC B01J29/74 is the Cooperative Patent Classification code for “Noble metals.”
How many patents are filed under CPC B01J29/74 (Noble metals)?
Our database includes 358 publications tagged with this CPC code.
Is patent activity under CPC B01J29/74 growing?
Publication counts under this code: 26 in 2024 vs 18 in 2025 (latest complete years).