Component
US-2022411935-A1 · Dec 29, 2022 · US
Treatment of iron or alloys based thereon
Treatment of iron or alloys based thereon · 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 | C23C22/62 |
| Official title | Treatment of iron or alloys based thereon |
| Display label | Treatment of iron or alloys based thereon |
| Total patents | 86 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 13 |
| 2017 | 8 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 7 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Corrosion and mar resistance of steel components
US-11326259-B2 · May 10, 2022 · US
Coating carbon steel tubing with iron sulfide
US-11313043-B2 · Apr 26, 2022 · US
Corrosion inhibitor and water conditioning agent
US-11186913-B2 · Nov 30, 2021 · US
Surface-treatment solution for zinc or zinc alloy coated steel sheet, method of producing zinc or zinc alloy coated steel sheet with surface-coating layer, and zinc or zinc alloy coated steel sheet with surface-coating layer
US-11174556-B2 · Nov 16, 2021 · US
Cross-Linkable Nanocomposite Anticorrosion Coating
US-2021292572-A1 · Sep 23, 2021 · US
Stainless steel sheet for fuel cell separators and production method therefor
US-11085120-B2 · Aug 10, 2021 · US
Composition for a stainless coating, stainless member including the stainless coating, and method of manufacturing same
US-2021222012-A1 · Jul 22, 2021 · US
Method for anti-corrosion treatment of a metal surface with reduced pickling material
US-2021222013-A1 · Jul 22, 2021 · US
Methods and compositions for inhibiting corrosion on metal surfaces
US-2021171781-A1 · Jun 10, 2021 · US
Method for the surface modification of at least one component and reactor device for carrying out the method
US-2020378009-A1 · Dec 3, 2020 · US
Stainless steel sheet for fuel cell separators and production method therefor
US-2020340126-A1 · Oct 29, 2020 · US
Coated welding wire
US-2020246921-A1 · Aug 6, 2020 · US
Composition for coating stainless steel and cooking appliance including the same
US-2020237140-A1 · Jul 30, 2020 · US
Corrosion inhibitors for passivation of galvanized coatings and carbon steel
US-10683576-B2 · Jun 16, 2020 · US
Conversion coating and method of making
US-10676828-B2 · Jun 9, 2020 · US
Corrosion inhibitor and water conditioning agent
US-2020165731-A1 · May 28, 2020 · US
Surface treatment agent for metal material, method of producing the same, metal material having a surface treatment coating, and method of producing the same
US-10633518-B2 · Apr 28, 2020 · US
Corrosion and mar resistance of steel components
US-2019376188-A1 · Dec 12, 2019 · US
Coating treatment solution, method of producing the same, and method of producing coating material
US-2019316260-A1 · Oct 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C22/62?
- CPC C23C22/62 is the Cooperative Patent Classification code for “Treatment of iron or alloys based thereon.”
- How many patents are filed under CPC C23C22/62 (Treatment of iron or alloys based thereon)?
- Our database includes 86 publications tagged with this CPC code.
- Is patent activity under CPC C23C22/62 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).