Heating methods

Heating methods · 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 codeC08J3/247
Official title{Heating methods}
Display labelHeating methods
Total patents384

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
201535
201630
201735
201845
201926
202026
202134
202225
202330
202441
202548
20269

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 C08J3/247?
CPC C08J3/247 is the Cooperative Patent Classification code for “Heating methods.”
How many patents are filed under CPC C08J3/247 (Heating methods)?
Our database includes 384 publications tagged with this CPC code.
Is patent activity under CPC C08J3/247 growing?
Publication counts under this code: 41 in 2024 vs 48 in 2025 (latest complete years).