High-strength cold-rolled steel sheet having excellent surface quality and low material variation, and method for manufacturing same
US-2024384366-A1 · Nov 21, 2024 · US
containing Mn
containing Mn · 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 | C21D6/005 |
| Official title | {containing Mn} |
| Display label | containing Mn |
| Total patents | 3,984 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 180 |
| 2016 | 209 |
| 2017 | 177 |
| 2018 | 313 |
| 2019 | 352 |
| 2020 | 376 |
| 2021 | 396 |
| 2022 | 502 |
| 2023 | 430 |
| 2024 | 459 |
| 2025 | 474 |
| 2026 | 116 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of producing grain-oriented electrical steel sheet
US-2024249863-A1 · Jul 25, 2024 · US
Steel material and mold
US-2024133005-A1 · Apr 25, 2024 · US
A zinc or zinc-alloy coated strip or steel with improved zinc adhesion
US-2024117455-A1 · Apr 11, 2024 · US
Steel for rails and a method of manufacturing of a rail thereof
US-2024002966-A1 · Jan 4, 2024 · US
Hot-rolled steel sheet and manufacturing method thereof
US-2015376730-A1 · Dec 31, 2015 · US
Non-thermal refined soft-nitrided component
US-2015376763-A1 · Dec 31, 2015 · US
Nano-Pearlite Rail and Process for Manufacturing Same
US-2015368765-A1 · Dec 24, 2015 · US
Hot stamping product with enhanced toughness and method for manufacturing the same
US-2015361532-A1 · Dec 17, 2015 · US
Forced water cooling of thick steel wires
US-2015361536-A1 · Dec 17, 2015 · US
Steel sheet for soft-nitriding and method for manufacturing the same
US-2015354034-A1 · Dec 10, 2015 · US
Steel for machine structural use, manufacturing method for same, case hardened steel component, and manufacturing method for same
US-9200357-B2 · Dec 1, 2015 · US
High-formability and super-strength cold-rolled steel sheet and manufacturing method thereof
US-2015337416-A1 · Nov 26, 2015 · US
High-strength steel sheet with excellent deep drawability at room temperature and warm temperature, and method for warm working same
US-9194032-B2 · Nov 24, 2015 · US
Galvannealed steel sheet and method of manufacturing the same
US-2015329946-A1 · Nov 19, 2015 · US
Creep resistant high temperature martensitic steel
US-9181597-B1 · Nov 10, 2015 · US
Precipitation hardened martensitic stainless steel, manufacturing method therefor, and turbine moving blade and steam turbine using the same
US-2015315921-A1 · Nov 5, 2015 · US
High-strength stainless steel seamless tube or pipe for oil country tubular goods, and method of manufacturing the same
US-2015315684-A1 · Nov 5, 2015 · US
Method for manufacturing galvanized steel sheet
US-2015315692-A1 · Nov 5, 2015 · US
Austenitic high Mn stainless steel and method production of same and member using that steel
US-9175361-B2 · Nov 3, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21D6/005?
- CPC C21D6/005 is the Cooperative Patent Classification code for “containing Mn.”
- How many patents are filed under CPC C21D6/005 (containing Mn)?
- Our database includes 3,984 publications tagged with this CPC code.
- Is patent activity under CPC C21D6/005 growing?
- Publication counts under this code: 459 in 2024 vs 474 in 2025 (latest complete years).