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Fastening on wooden or concrete sleepers or on masonry with clamp members

Fastening on wooden or concrete sleepers or on masonry with clamp members · 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	E01B9/28
Official title	Fastening on wooden or concrete sleepers or on masonry with clamp members
Display label	Fastening on wooden or concrete sleepers or on masonry with clamp members
Total patents	2

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
2020	1
2022	1

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