What is CPC F02B3/04?

CPC F02B3/04 is the Cooperative Patent Classification code for “Mechanical Engineering.”

How many patents are filed under CPC F02B3/04 (Mechanical Engineering)?

Our database includes 11 publications tagged with this CPC code.

Publication counts under this code: 3 in 2024 vs 1 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	F02B3/04
Official title	—
Display label	Mechanical Engineering (mapped technology topic)
Total patents	11

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 F02B3/04?: CPC F02B3/04 is the Cooperative Patent Classification code for “Mechanical Engineering.”
How many patents are filed under CPC F02B3/04 (Mechanical Engineering)?: Our database includes 11 publications tagged with this CPC code.
Is patent activity under CPC F02B3/04 growing?: Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).