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Stems

Stems · 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 codeB63B3/46
Official titleStems
Display labelStems
Total patents12

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
20191
20202
20212
20222
20232
20242
20251

Representative patents

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