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a major part of the inner closure being left inside the container after the opening

a major part of the inner closure being left inside the container after the 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	B65D51/221
Official title	{a major part of the inner closure being left inside the container after the opening}
Display label	a major part of the inner closure being left inside the container after the opening
Total patents	10

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

Filing activity over the last five years is growing.

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