What is CPC F28F13/08?

CPC F28F13/08 is the Cooperative Patent Classification code for “Mechanical Engineering.”

How many patents are filed under CPC F28F13/08 (Mechanical Engineering)?

Our database includes 460 publications tagged with this CPC code.

Publication counts under this code: 30 in 2024 vs 38 in 2025 (latest complete years).

Mechanical Engineering · 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	F28F13/08
Official title	—
Display label	Mechanical Engineering (mapped technology topic)
Total patents	460

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

Filing activity over the last five years is declining.

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

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

What is CPC F28F13/08?: CPC F28F13/08 is the Cooperative Patent Classification code for “Mechanical Engineering.”
How many patents are filed under CPC F28F13/08 (Mechanical Engineering)?: Our database includes 460 publications tagged with this CPC code.
Is patent activity under CPC F28F13/08 growing?: Publication counts under this code: 30 in 2024 vs 38 in 2025 (latest complete years).