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 codeE04D2001/308
Official title
Display labelFixed Constructions (mapped technology topic)
Total patents119

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
20153
20162
20172
20184
20197
202010
202112
202224
202315
202421
202519

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 E04D2001/308?
CPC E04D2001/308 is the Cooperative Patent Classification code for “Fixed Constructions.”
How many patents are filed under CPC E04D2001/308 (Fixed Constructions)?
Our database includes 119 publications tagged with this CPC code.
Is patent activity under CPC E04D2001/308 growing?
Publication counts under this code: 21 in 2024 vs 19 in 2025 (latest complete years).