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Systems for cooling the outer surface of the barrel (F41A13/10, F41A21/24 take precedence)

Systems for cooling the outer surface of the barrel (F41A13/10, F41A21/24 take 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	F41A13/12
Official title	Systems for cooling the outer surface of the barrel (F41A13/10, F41A21/24 take precedence)
Display label	Systems for cooling the outer surface of the barrel (F41A13/10, F41A21/24 take precedence)
Total patents	12

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

Filing activity over the last five years is stable.

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