Coating on selected surface areas, e.g. using masks

Coating on selected surface areas, e.g. using masks · 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 codeC23C18/06
Official titleCoating on selected surface areas, e.g. using masks
Display labelCoating on selected surface areas, e.g. using masks
Total patents122

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
201519
201615
20176
201813
201913
20207
202110
202212
20237
202411
20257
20262

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 C23C18/06?
CPC C23C18/06 is the Cooperative Patent Classification code for “Coating on selected surface areas, e.g. using masks.”
How many patents are filed under CPC C23C18/06 (Coating on selected surface areas, e.g. using masks)?
Our database includes 122 publications tagged with this CPC code.
Is patent activity under CPC C23C18/06 growing?
Publication counts under this code: 11 in 2024 vs 7 in 2025 (latest complete years).