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of hollow material, e.g. tube

of hollow material, e.g. tube · Cooperative Patent Classification (CPC)

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

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB21C5/003
Official title{of hollow material, e.g. tube}
Display labelof hollow material, e.g. tube
Total patents8

Filing trend

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

Filing activity appears stable based on the most recent years.

Patents filed per year
YearPatents
20152
20172
20182
20202

Representative patents

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