on metals

on 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 codeB41M1/28
Official titleon metals
Display labelon metals
Total patents78

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
20152
20164
20175
201811
20195
20209
20218
202210
202312
20248
20253
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 B41M1/28?
CPC B41M1/28 is the Cooperative Patent Classification code for “on metals.”
How many patents are filed under CPC B41M1/28 (on metals)?
Our database includes 78 publications tagged with this CPC code.
Is patent activity under CPC B41M1/28 growing?
Publication counts under this code: 8 in 2024 vs 3 in 2025 (latest complete years).