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Means preventing the material from turning with the screw or returning towards the feed hopper

Means preventing the material from turning with the screw or returning towards the feed hopper · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	B30B9/122
Official title	{Means preventing the material from turning with the screw or returning towards the feed hopper}
Display label	Means preventing the material from turning with the screw or returning towards the feed hopper
Total patents	9

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.