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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
Metric	Value
CPC code	E21C41/14
Official title	—
Display label	Fixed Constructions (mapped technology topic)
Total patents	4

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

Filing activity appears stable based on the most recent years.

Patents filed per year
Year	Patents
2018	2
2020	2

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