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by removing material from solid section preforms for forming hollow articles, e.g. by punching or boring

by removing material from solid section preforms for forming hollow articles, e.g. by punching or boring · 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 codeB28B1/48
Official titleby removing material from solid section preforms for forming hollow articles, e.g. by punching or boring
Display labelby removing material from solid section preforms for forming hollow articles, e.g. by punching or boring
Total patents15

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20164
20171
20181
20191
20201
20211
20222
20232
20241
20251

Representative patents

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