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comprising two or more air ducts leading from the mouthpiece to the air inlet or outlet opening

comprising two or more air ducts leading from the mouthpiece to the air inlet or outlet 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	B63C2011/165
Official title	{comprising two or more air ducts leading from the mouthpiece to the air inlet or outlet opening}
Display label	comprising two or more air ducts leading from the mouthpiece to the air inlet or outlet opening
Total patents	6

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

Filing activity appears to be growing based on the most recent years.

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