What is CPC F24F6/18?

CPC F24F6/18 is the Cooperative Patent Classification code for “by injection of steam into the air.”

How many patents are filed under CPC F24F6/18 (by injection of steam into the air)?

Our database includes 32 publications tagged with this CPC code.

Publication counts under this code: 3 in 2024 vs 6 in 2025 (latest complete years).

by injection of steam into the air · 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	F24F6/18
Official title	by injection of steam into the air
Display label	by injection of steam into the air
Total patents	32

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

Filing activity over the last five years is rapidly 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 F24F6/18?: CPC F24F6/18 is the Cooperative Patent Classification code for “by injection of steam into the air.”
How many patents are filed under CPC F24F6/18 (by injection of steam into the air)?: Our database includes 32 publications tagged with this CPC code.
Is patent activity under CPC F24F6/18 growing?: Publication counts under this code: 3 in 2024 vs 6 in 2025 (latest complete years).