Friction Brake Body for a Friction Brake, Friction Brake and Method for Producing a Friction Brake Body
US-2022213940-A1 · Jul 7, 2022 · US
Cast-iron alloys
Cast-iron alloys · 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 | C22C37/00 |
| Official title | Cast-iron alloys |
| Display label | Cast-iron alloys |
| Total patents | 85 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 9 |
| 2017 | 10 |
| 2018 | 6 |
| 2019 | 9 |
| 2020 | 3 |
| 2021 | 8 |
| 2022 | 9 |
| 2023 | 8 |
| 2024 | 5 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cylinder liner and manufacturing method for same
US-2022025829-A1 · Jan 27, 2022 · US
Composite roll for rolling and its production method
US-11192156-B2 · Dec 7, 2021 · US
Brake disk including decarburized layer and nitride compound layer, and method of manufacturing the same
US-11137041-B2 · Oct 5, 2021 · US
Composite roll for rolling and its production method
US-2021237134-A1 · Aug 5, 2021 · US
Cast alloy flakes for r-t-b rare earth sintered magnet
US-2021241949-A1 · Aug 5, 2021 · US
Outer layer of rolling roll and composite roll for rolling
US-11052440-B2 · Jul 6, 2021 · US
Wear-resistant iron-based alloy compositions comprising chromium
US-2021197524-A1 · Jul 1, 2021 · US
Carbide-based hardfacing
US-10946465-B2 · Mar 16, 2021 · US
Nanocrystal production method, and steel production method
US-10927442-B2 · Feb 23, 2021 · US
Outer layer of rolling roll and composite roll for rolling
US-2020298294-A1 · Sep 24, 2020 · US
Brake disk including decarburized layer and nitride compound layer, and method of manufacturing the same
US-2020182318-A1 · Jun 11, 2020 · US
Black Heart Malleable Cast-Iron and Method for Manufacturing Same
US-2020080173-A1 · Mar 12, 2020 · US
Robot and gear device
US-10451174-B2 · Oct 22, 2019 · US
Cylindrical member made of flake graphite cast iron
US-10428407-B2 · Oct 1, 2019 · US
Nanocrystal production method, and steel production method
US-2019249288-A1 · Aug 15, 2019 · US
Method of manufacturing a seal
US-10352448-B2 · Jul 16, 2019 · US
Process for producing a component made of heat-treated cast iron
US-10337089-B2 · Jul 2, 2019 · US
Clad steel plate having excellent strength and formability, and production method therefor
US-2019153559-A1 · May 23, 2019 · US
Cylindrical member made of flake graphite cast iron
US-2019093203-A1 · Mar 28, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22C37/00?
- CPC C22C37/00 is the Cooperative Patent Classification code for “Cast-iron alloys.”
- How many patents are filed under CPC C22C37/00 (Cast-iron alloys)?
- Our database includes 85 publications tagged with this CPC code.
- Is patent activity under CPC C22C37/00 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).