Tough and corrosion resistant white cast irons
US-12540364-B2 · Feb 3, 2026 · US
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of white cast-iron
of white cast-iron · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C21D5/04 |
| Official title | of white cast-iron |
| Display label | of white cast-iron |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Primary Carbide Refinement In Hypereutectic High Chromium Cast Irons
US-2024052462-A1 · Feb 15, 2024 · US
Construction machine bucket part and manufacturing method therefor
US-11814819-B2 · Nov 14, 2023 · US
Tough And Corrosion Resistant White Cast Irons
US-2021238702-A1 · Aug 5, 2021 · US
Construction machine bucket part and manufacturing method therefor
US-2019368164-A1 · Dec 5, 2019 · US
Metal alloys for high impact applications
US-9976204-B2 · May 22, 2018 · US
Metal alloys for high impact applications
US-9273385-B2 · Mar 1, 2016 · US
Wear resistant cast iron
US-9222154-B2 · Dec 29, 2015 · US
Metal alloys for high impact applications
US-2015267283-A1 · Sep 24, 2015 · US