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where elements interengaging frictionally are in the shape of spiral bands

where elements interengaging frictionally are in the shape of spiral bands · 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	F16F7/065
Official title	{where elements interengaging frictionally are in the shape of spiral bands}
Display label	where elements interengaging frictionally are in the shape of spiral bands
Total patents	6

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.