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by regulating flue gas flow, e.g. by proportioning or diverting

by regulating flue gas flow, e.g. by proportioning or diverting · 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	F22G5/04
Official title	by regulating flue gas flow, e.g. by proportioning or diverting
Display label	by regulating flue gas flow, e.g. by proportioning or diverting
Total patents	8

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

Filing activity over the last five years is declining.

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