A zinc or zinc-alloy coated strip or steel with improved zinc adhesion
US-2024117455-A1 · Apr 11, 2024 · US
Two or more thermal pretreatments
Two or more thermal pretreatments · 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 | C23C2/0224 |
| Official title | {Two or more thermal pretreatments} |
| Display label | Two or more thermal pretreatments |
| Total patents | 1,147 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 75 |
| 2016 | 61 |
| 2017 | 90 |
| 2018 | 98 |
| 2019 | 110 |
| 2020 | 114 |
| 2021 | 92 |
| 2022 | 113 |
| 2023 | 103 |
| 2024 | 118 |
| 2025 | 137 |
| 2026 | 36 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hot-rolled steel sheet and manufacturing method thereof
US-2015376730-A1 · Dec 31, 2015 · US
High-strength hot-rolled steel sheet and method for manufacturing the same (as amended)
US-2015368741-A1 · Dec 24, 2015 · US
High-strength hot-rolled steel sheet and method for manufacturing the same
US-2015368739-A1 · Dec 24, 2015 · US
High-strength hot-rolled steel sheet and method for manufacturing the same
US-2015368738-A1 · Dec 24, 2015 · US
Continuous annealing device and continuous hot-dip galvanising device for steel strip
US-2015361520-A1 · Dec 17, 2015 · US
Continuous annealing device and continuous hot-dip galvanising device for steel strip
US-2015361521-A1 · Dec 17, 2015 · US
A high-strength hot-rolled steel strip or sheet with excellent formability and fatigue performance and a method of manufacturing said steel strip or sheet
US-2015354021-A1 · Dec 10, 2015 · US
Galvanized or galvannealed silicon steel
US-9206498-B2 · Dec 8, 2015 · US
Method for Hot-Dip Coating of a Steel Flat Product
US-2015345002-A1 · Dec 3, 2015 · US
High strength thin steel sheet for the superior press formability and surface quality and galvanized steel sheet and method for manufacturing the same
US-9194030-B2 · Nov 24, 2015 · US
Galvannealed steel sheet and method of manufacturing the same
US-2015329946-A1 · Nov 19, 2015 · US
High-strength hot-rolled steel sheet having excellent baking hardenability and low temperature toughness with maximum tensile strength of 980 mpa or more
US-2015329950-A1 · Nov 19, 2015 · US
Alloyed hot-dip galvanized steel sheet
US-9181598-B2 · Nov 10, 2015 · US
Method for manufacturing galvanized steel sheet
US-2015315692-A1 · Nov 5, 2015 · US
Facility and method for continuously manufacturing hot-dip galvanized steel sheet
US-2015315691-A1 · Nov 5, 2015 · US
Metal-coated steel sheet
US-9175375-B2 · Nov 3, 2015 · US
High strength hot-dip galvanized steel sheet having excellent deep drawability
US-9175374-B2 · Nov 3, 2015 · US
Continuous annealing method and a manufacturing method of hot-dip galvanized steel strips
US-9163305-B2 · Oct 20, 2015 · US
High-strength hot-dip galvanized steel sheet, high-strength alloyed hot-dip galvanized steel sheet excellent in bake hardenability, and manufacturing method thereof
US-9162422-B2 · Oct 20, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C2/0224?
- CPC C23C2/0224 is the Cooperative Patent Classification code for “Two or more thermal pretreatments.”
- How many patents are filed under CPC C23C2/0224 (Two or more thermal pretreatments)?
- Our database includes 1,147 publications tagged with this CPC code.
- Is patent activity under CPC C23C2/0224 growing?
- Publication counts under this code: 118 in 2024 vs 137 in 2025 (latest complete years).