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Roofs supported around their periphery, e.g. arched roofs

Roofs supported around their periphery, e.g. arched roofs · 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	F27D1/025
Official title	{Roofs supported around their periphery, e.g. arched roofs}
Display label	Roofs supported around their periphery, e.g. arched roofs
Total patents	6

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

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

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