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comprising wedges, keys, or like expanding means

comprising wedges, keys, or like expanding means · 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 codeB25G3/28
Official titlecomprising wedges, keys, or like expanding means
Display labelcomprising wedges, keys, or like expanding means
Total patents17

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
20186
20191
20204
20211
20231
20241
20253

Representative patents

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