Fixed Constructions

Fixed Constructions · Cooperative Patent Classification (CPC)

Building, mining, and civil engineering structures.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeE04C2/04
Official title
Display labelFixed Constructions (mapped technology topic)
Total patents108

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20151
20168
201710
20189
201916
202010
20218
20227
202311
202415
202512
20261

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 E04C2/04?
CPC E04C2/04 is the Cooperative Patent Classification code for “Fixed Constructions.”
How many patents are filed under CPC E04C2/04 (Fixed Constructions)?
Our database includes 108 publications tagged with this CPC code.
Is patent activity under CPC E04C2/04 growing?
Publication counts under this code: 15 in 2024 vs 12 in 2025 (latest complete years).