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by discs (by drums G04C17/0075)

by discs (by drums G04C17/0075) · Cooperative Patent Classification (CPC)

Computing, optics, measurement, and control technologies.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeG04C17/005
Official title{by discs (by drums G04C17/0075)}
Display labelby discs (by drums G04C17/0075)
Total patents19

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20151
20163
20176
20181
20193
20214
20241

Representative patents

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