characterised by absorbing coatings; characterised by surface treatment for increasing absorption

characterised by absorbing coatings; characterised by surface treatment for increasing absorption · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF24S70/20
Official titlecharacterised by absorbing coatings; characterised by surface treatment for increasing absorption
Display labelcharacterised by absorbing coatings; characterised by surface treatment for increasing absorption
Total patents59

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
20153
20162
20173
20184
201912
20205
20218
20225
20236
20245
20254
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 F24S70/20?
CPC F24S70/20 is the Cooperative Patent Classification code for “characterised by absorbing coatings; characterised by surface treatment for increasing absorption.”
How many patents are filed under CPC F24S70/20 (characterised by absorbing coatings; characterised by surface treatment for increasing absorption)?
Our database includes 59 publications tagged with this CPC code.
Is patent activity under CPC F24S70/20 growing?
Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).