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with flame spreaders (F23D3/12 takes precedence)

with flame spreaders (F23D3/12 takes precedence) · 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	F23D3/04
Official title	with flame spreaders (F23D3/12 takes precedence)
Display label	with flame spreaders (F23D3/12 takes precedence)
Total patents	10

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.