Application of a separating or insulating coating

Application of a separating or insulating coating · 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 codeC21D8/1283
Official title{Application of a separating or insulating coating}
Display labelApplication of a separating or insulating coating
Total patents681

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
201523
201620
201730
201839
201935
202044
202164
2022115
202378
2024102
2025108
202623

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 C21D8/1283?
CPC C21D8/1283 is the Cooperative Patent Classification code for “Application of a separating or insulating coating.”
How many patents are filed under CPC C21D8/1283 (Application of a separating or insulating coating)?
Our database includes 681 publications tagged with this CPC code.
Is patent activity under CPC C21D8/1283 growing?
Publication counts under this code: 102 in 2024 vs 108 in 2025 (latest complete years).