Mechanical Engineering

Mechanical Engineering · Cooperative Patent Classification (CPC)

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

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF04D3/02
Official title
Display labelMechanical Engineering (mapped technology topic)
Total patents190

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201510
201613
201710
201813
201920
202011
202136
202216
202319
202423
202517
20262

Representative patents

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

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Frequently asked questions

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

What is CPC F04D3/02?
CPC F04D3/02 is the Cooperative Patent Classification code for “Mechanical Engineering.”
How many patents are filed under CPC F04D3/02 (Mechanical Engineering)?
Our database includes 190 publications tagged with this CPC code.
Is patent activity under CPC F04D3/02 growing?
Publication counts under this code: 23 in 2024 vs 17 in 2025 (latest complete years).