with at least two coatings having different compositions (C03C17/44 takes precedence)

with at least two coatings having different compositions (C03C17/44 takes precedence) · 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 codeC03C17/34
Official titlewith at least two coatings having different compositions (C03C17/44 takes precedence)
Display labelwith at least two coatings having different compositions (C03C17/44 takes precedence)
Total patents520

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201540
201638
201751
201847
201963
202053
202143
202241
202340
202446
202543
202615

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 C03C17/34?
CPC C03C17/34 is the Cooperative Patent Classification code for “with at least two coatings having different compositions (C03C17/44 takes precedence).”
How many patents are filed under CPC C03C17/34 (with at least two coatings having different compositions (C03C17/44 takes precedence))?
Our database includes 520 publications tagged with this CPC code.
Is patent activity under CPC C03C17/34 growing?
Publication counts under this code: 46 in 2024 vs 43 in 2025 (latest complete years).