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using two or more suction devices on a rotating element

using two or more suction devices on a rotating element · 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 codeB31B50/804
Official title{using two or more suction devices on a rotating element}
Display labelusing two or more suction devices on a rotating element
Total patents22

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
20154
20162
20173
20182
20194
20201
20213
20221
20231
20241

Representative patents

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