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using a rotating cylindrical drum having a camming groove (F41F1/10 takes precedence)

using a rotating cylindrical drum having a camming groove (F41F1/10 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	F41A7/10
Official title	using a rotating cylindrical drum having a camming groove (F41F1/10 takes precedence)
Display label	using a rotating cylindrical drum having a camming groove (F41F1/10 takes precedence)
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.