Multiple coatings, for one of the coatings of which at least one alternative is described

Multiple coatings, for one of the coatings of which at least one alternative is described · 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 codeC04B41/522
Official title{Multiple coatings, for one of the coatings of which at least one alternative is described}
Display labelMultiple coatings, for one of the coatings of which at least one alternative is described
Total patents209

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
201512
201614
201717
201812
201920
202022
202115
202215
202327
202426
202523
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 C04B41/522?
CPC C04B41/522 is the Cooperative Patent Classification code for “Multiple coatings, for one of the coatings of which at least one alternative is described.”
How many patents are filed under CPC C04B41/522 (Multiple coatings, for one of the coatings of which at least one alternative is described)?
Our database includes 209 publications tagged with this CPC code.
Is patent activity under CPC C04B41/522 growing?
Publication counts under this code: 26 in 2024 vs 23 in 2025 (latest complete years).