Low-density clad steel sheet having excellent formability and fatigue property and manufacturing method therefor
US-2024326399-A1 · Oct 3, 2024 · US
deep-drawing sheets
deep-drawing sheets · 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 | C21D9/48 |
| Official title | deep-drawing sheets |
| Display label | deep-drawing sheets |
| Total patents | 673 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 43 |
| 2016 | 33 |
| 2017 | 49 |
| 2018 | 47 |
| 2019 | 55 |
| 2020 | 69 |
| 2021 | 74 |
| 2022 | 80 |
| 2023 | 72 |
| 2024 | 75 |
| 2025 | 62 |
| 2026 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ferritic stainless steel and production method therefor
US-2016333439-A1 · Nov 17, 2016 · US
Automobile part and method for manufacturing automobile part
US-2016318093-A1 · Nov 3, 2016 · US
Method of thermomechanical shaping a final product with very high strength and a product produced thereby
US-9481916-B2 · Nov 1, 2016 · US
High-strength hot-rolled steel sheet and method for producing the same
US-2016258032-A1 · Sep 8, 2016 · US
Zinc-based anti-corrosion coating for steel sheets, for producing a component at an elevated temperature by hot forming die quenching
US-2016215376-A1 · Jul 28, 2016 · US
Method of manufacturing multi physical properties part
US-9394578-B2 · Jul 19, 2016 · US
Ultrahigh-strength steel sheet and manufacturing method therefor
US-2016186285-A1 · Jun 30, 2016 · US
Method for hardening sheet metal material and hardened metal sheet material
US-2016177409-A1 · Jun 23, 2016 · US
Method and device for partially hardening semifinished products
US-2016160326-A1 · Jun 9, 2016 · US
High-strength plated steel sheet having superior plating properties, workability, and delayed fracture resistance, and method for producing same
US-2016160335-A1 · Jun 9, 2016 · US
Steel sheet for can and method for manufacturing the same
US-2016160308-A1 · Jun 9, 2016 · US
Hot stamp molded body, and method for producing hot stamp molded body
US-2016122845-A1 · May 5, 2016 · US
High-strength hot-dip galvanized steel sheet and method for producing same
US-9315887-B2 · Apr 19, 2016 · US
High strength cold rolled steel sheet with excellent deep drawability and material uniformity in coil and method for manufacturing the same
US-9297052-B2 · Mar 29, 2016 · US
High-strength hot-rolled steel sheet and method for producing the same (as amended)
US-2016068937-A1 · Mar 10, 2016 · US
Cold-Rolled Flat Steel Product for Deep Drawing Applications and Method for Production Thereof
US-2016017467-A1 · Jan 21, 2016 · US
Cold-Rolled Flat Steel Product for Deep Drawing Applications and Method for Production Thereof
US-2015376751-A1 · Dec 31, 2015 · US
Method for the production of an aluminized packaging steel
US-2015360444-A1 · Dec 17, 2015 · US
Hot press forming apparatus and hot press forming method
US-9206488-B2 · Dec 8, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21D9/48?
- CPC C21D9/48 is the Cooperative Patent Classification code for “deep-drawing sheets.”
- How many patents are filed under CPC C21D9/48 (deep-drawing sheets)?
- Our database includes 673 publications tagged with this CPC code.
- Is patent activity under CPC C21D9/48 growing?
- Publication counts under this code: 75 in 2024 vs 62 in 2025 (latest complete years).