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comprising only layers of metal and concrete with or without reinforcement

comprising only layers of metal and concrete with or without reinforcement · Cooperative Patent Classification (CPC)

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

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	F16L9/153
Official title	comprising only layers of metal and concrete with or without reinforcement
Display label	comprising only layers of metal and concrete with or without reinforcement
Total patents	4

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

Filing activity appears to be growing based on the most recent years.

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