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Case-hardened steel

Case-hardened steel · 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 codeF05C2201/0454
Official titleCase-hardened steel
Display labelCase-hardened steel
Total patents3

Filing trend

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

Filing activity appears to be declining based on the most recent years.

Patents filed per year
YearPatents
20172
20191

Representative patents

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