Tough And Corrosion Resistant White Cast Irons
US-2021238702-A1 · Aug 5, 2021 · US
with more than 1.7% by weight of carbon
with more than 1.7% by weight of carbon · 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 | C22C38/36 |
| Official title | with more than 1.7% by weight of carbon |
| Display label | with more than 1.7% by weight of carbon |
| Total patents | 100 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 15 |
| 2017 | 12 |
| 2018 | 9 |
| 2019 | 9 |
| 2020 | 10 |
| 2021 | 11 |
| 2022 | 10 |
| 2023 | 4 |
| 2024 | 11 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of making metal matrix composite and alloy articles
US-2020384541-A1 · Dec 10, 2020 · US
Non-magnetic, strong carbide forming alloys for powder manufacture
US-10851444-B2 · Dec 1, 2020 · US
Cold work tool and method for manufacturing same
US-10844456-B2 · Nov 24, 2020 · US
Iron-based sintered alloy and method for producing the same
US-2020332403-A1 · Oct 22, 2020 · US
High-strength cold-rolled steel sheet
US-2020283869-A1 · Sep 10, 2020 · US
Iron-based sintered alloy and method for producing the same
US-10745786-B2 · Aug 18, 2020 · US
Method for producing high-speed tool steel material, method for producing high-speed tool steel product, and high-speed tool steel product
US-2020246877-A1 · Aug 6, 2020 · US
Method for producing high-speed tool steel material, method for producing high-speed tool steel product, and high-speed tool steel product
US-10661353-B2 · May 26, 2020 · US
Friction stir welding tool and related methods
US-10596658-B1 · Mar 24, 2020 · US
Methods of making metal matrix composite and alloy articles
US-10562101-B2 · Feb 18, 2020 · US
Cold working tool material and cold working tool manufacturing method
US-10407747-B2 · Sep 10, 2019 · US
Steel sheet and method for producing the same
US-2019271052-A1 · Sep 5, 2019 · US
Steel sheet
US-2019249282-A1 · Aug 15, 2019 · US
High-strength steel sheet and production method therefor
US-2019226067-A1 · Jul 25, 2019 · US
Erosion And Corrosion Resistant White Cast Irons
US-2019185975-A1 · Jun 20, 2019 · US
Cladded articles and methods of making the same
US-10272497-B2 · Apr 30, 2019 · US
Alloy powder, and shot material for shot peening, powder metallurgical composition and iron-based sintered alloy using the same
US-10265767-B2 · Apr 23, 2019 · US
Ti-CONTAINING FERRITIC STAINLESS STEEL SHEET HAVING GOOD TOUGHNESS, AND FLANGE
US-2019078183-A1 · Mar 14, 2019 · US
Detection device comprising an improved cold finger
US-10222267-B2 · Mar 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22C38/36?
- CPC C22C38/36 is the Cooperative Patent Classification code for “with more than 1.7% by weight of carbon.”
- How many patents are filed under CPC C22C38/36 (with more than 1.7% by weight of carbon)?
- Our database includes 100 publications tagged with this CPC code.
- Is patent activity under CPC C22C38/36 growing?
- Publication counts under this code: 11 in 2024 vs 4 in 2025 (latest complete years).