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and the filling operation stopping when the liquid rises to a level at which it closes a vent opening

and the filling operation stopping when the liquid rises to a level at which it closes a vent opening · 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	B67C3/2628
Official title	{and the filling operation stopping when the liquid rises to a level at which it closes a vent opening}
Display label	and the filling operation stopping when the liquid rises to a level at which it closes a vent opening
Total patents	4

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.