Heat

Heat · 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 codeC23C18/2033
Official title{Heat}
Display labelHeat
Total patents26

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
20154
20163
20172
20182
20192
20203
20212
20222
20234
20252

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 C23C18/2033?
CPC C23C18/2033 is the Cooperative Patent Classification code for “Heat.”
How many patents are filed under CPC C23C18/2033 (Heat)?
Our database includes 26 publications tagged with this CPC code.
Is patent activity under CPC C23C18/2033 growing?
Publication counts under this code: 4 in 2023 vs 2 in 2025 (latest complete years).