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Surface treatment of cartridges or cartridge cases {(F42B33/004 takes precedence)}

Surface treatment of cartridges or cartridge cases {(F42B33/004 takes precedence)} · Cooperative Patent Classification (CPC)

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

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF42B33/14
Official titleSurface treatment of cartridges or cartridge cases {(F42B33/004 takes precedence)}
Display labelSurface treatment of cartridges or cartridge cases {(F42B33/004 takes precedence)}
Total patents19

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
20165
20172
20181
20192
20204
20221
20232
20242

Representative patents

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