Heat treatment

Heat treatment · 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 codeC08J7/08
Official title{Heat treatment}
Display labelHeat treatment
Total patents274

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
201527
201621
201732
201829
201923
202022
202126
202223
202322
202421
202523
20265

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 C08J7/08?
CPC C08J7/08 is the Cooperative Patent Classification code for “Heat treatment.”
How many patents are filed under CPC C08J7/08 (Heat treatment)?
Our database includes 274 publications tagged with this CPC code.
Is patent activity under CPC C08J7/08 growing?
Publication counts under this code: 21 in 2024 vs 23 in 2025 (latest complete years).