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Making tubes or pipes without using mandrels

Making tubes or pipes without using mandrels · 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 codeB31C5/00
Official titleMaking tubes or pipes without using mandrels
Display labelMaking tubes or pipes without using mandrels
Total patents20

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20151
20165
20173
20192
20202
20211
20234
20241
20251

Representative patents

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