Rolled material
US-2025223670-A1 · Jul 10, 2025 · US
Copper or its alloys
Copper or its alloys · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B21B2003/005 |
| Official title | {Copper or its alloys} |
| Display label | Copper or its alloys |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 6 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ultra-strong and ductile multifunctional titanium alloy and methods for preparing the same
US-2025084506-A1 · Mar 13, 2025 · US
Preparation method for ultrahigh-conductivity multilayer single-crystal laminated copper material, and copper material
US-12203193-B2 · Jan 21, 2025 · US
Rolled copper foil for lithium ion battery current collector, and lithium ion battery
US-11984606-B2 · May 14, 2024 · US
Three-dimensional hierarchical layered porous copper and method for making the same
US-11660839-B2 · May 30, 2023 · US
Preparation method for ultrahigh-conductivity multilayer single-crystal laminated copper material, and copper material
US-2023080832-A1 · Mar 16, 2023 · US
High friction rolling of thin metal strip
US-11542567-B2 · Jan 3, 2023 · US
Three-dimensional hierarchical layered porous copper and method for making the same
US-2022250352-A1 · Aug 11, 2022 · US
Rolled copper foil for lithium ion battery current collector, and lithium ion battery
US-2021399309-A1 · Dec 23, 2021 · US
Copper alloy strip exhibiting improved dimensional accuracy after press-working
US-11203799-B2 · Dec 21, 2021 · US
Cu-Ni-Si based copper alloy sheet material and production method
US-11047023-B2 · Jun 29, 2021 · US
Clad material
US-10967609-B2 · Apr 6, 2021 · US
Conductive Member Using Copper-Silver Alloy, Contact Pin and Device
US-2021088552-A1 · Mar 25, 2021 · US
Method for manufacturing clad material
US-10953630-B2 · Mar 23, 2021 · US
High friction rolling of thin metal strip
US-2020347470-A1 · Nov 5, 2020 · US
High friction rolling of thin metal strip
US-10815544-B2 · Oct 27, 2020 · US
Copper alloy sheet material and method for producing copper alloy sheet material
US-10815557-B2 · Oct 27, 2020 · US
Equipment and method for manufacturing copper alloy material
US-10799944-B2 · Oct 13, 2020 · US
Copper alloy sheet material and method of manufacturing the same
US-10662515-B2 · May 26, 2020 · US
Copper ingot, copper wire material, and method for producing copper ingot
US-10646917-B2 · May 12, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21B2003/005?
- CPC B21B2003/005 is the Cooperative Patent Classification code for “Copper or its alloys.”
- How many patents are filed under CPC B21B2003/005 (Copper or its alloys)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC B21B2003/005 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).