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Charges containing ferrous elements

Charges containing ferrous elements · 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 codeF27M2001/02
Official titleCharges containing ferrous elements
Display labelCharges containing ferrous elements
Total patents14

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
20166
20183
20191
20202
20231

Representative patents

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