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US-10495088-B2 · Dec 3, 2019 · US
Case-hardened steel · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F05C2201/0454 |
| Official title | Case-hardened steel |
| Display label | Case-hardened steel |
| Total patents | 3 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2019 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10495088-B2 · Dec 3, 2019 · US
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