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containing an inert filler in powder or granular form

containing an inert filler in powder or granular form · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	F42B8/16
Official title	containing an inert filler in powder or granular form
Display label	containing an inert filler in powder or granular form
Total patents	7

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

Filing activity over the last five years is declining.

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