What is CPC F24D5/02?

CPC F24D5/02 is the Cooperative Patent Classification code for “operating with discharge of hot air into the space or area to be heated.”

How many patents are filed under CPC F24D5/02 (operating with discharge of hot air into the space or area to be heated)?

Our database includes 85 publications tagged with this CPC code.

Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).

operating with discharge of hot air into the space or area to be heated · Cooperative Patent Classification (CPC)

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

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	F24D5/02
Official title	operating with discharge of hot air into the space or area to be heated
Display label	operating with discharge of hot air into the space or area to be heated
Total patents	85

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is growing.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Answers are generated from the same data shown on this page.

What is CPC F24D5/02?: CPC F24D5/02 is the Cooperative Patent Classification code for “operating with discharge of hot air into the space or area to be heated.”
How many patents are filed under CPC F24D5/02 (operating with discharge of hot air into the space or area to be heated)?: Our database includes 85 publications tagged with this CPC code.
Is patent activity under CPC F24D5/02 growing?: Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).