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using landscape topography, e.g. valleys

using landscape topography, e.g. valleys · 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	F03D9/48
Official title	using landscape topography, e.g. valleys
Display label	using landscape topography, e.g. valleys
Total patents	3

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

Filing activity appears stable based on the most recent years.

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