Wrought copper-zinc alloy, semi-finished product formed of a wrought copper-zinc alloy and method for producing a semi-finished product of this type
US-2026028701-A1 · Jan 29, 2026 · US
Copper alloys
Copper 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 | B22D11/004 |
| Official title | {Copper alloys} |
| Display label | Copper alloys |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 6 |
| 2017 | 9 |
| 2018 | 8 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Casting material made of a copper-zinc alloy, method for producing a cast product and cast part
US-2026028700-A1 · Jan 29, 2026 · US
RAPID SOLIDIFIED DUCTILE Cu-Al-Mn RIBBON FOR ELASTOCALORIC APPLICATIONS
US-2025369076-A1 · Dec 4, 2025 · US
Copper alloy powder for metal am and method for manufacturing additive manufacturing product
US-2025262665-A1 · Aug 21, 2025 · US
Copper alloy powder for metal am and method for manufacturing additive manufacturing product
US-2025262666-A1 · Aug 21, 2025 · US
Copper alloy powder for metal am and method for manufacturing additive manufacturing product
US-2025256330-A1 · Aug 14, 2025 · US
Hot-rolled copper alloy sheet and sputtering target
US-2024124955-A1 · Apr 18, 2024 · US
High-efficiency and short-process method for preparing a high-strength and high-conductivity copper alloy
US-11913105-B2 · Feb 27, 2024 · US
Method for producing Cu—Ni—Sn alloy
US-11786964-B2 · Oct 17, 2023 · US
Wire rod of cu-zn-si based alloy obtained by up-drawing continuous casting
US-2023160039-A1 · May 25, 2023 · US
Method for producing Cu—Ni—Sn alloy and cooler to be used for same
US-11440086-B2 · Sep 13, 2022 · US
METHOD FOR PRODUCING Cu-Ni-Sn ALLOY
US-2022280997-A1 · Sep 8, 2022 · US
Nozzle, casting apparatus, and cast product manufacturing method
US-11351600-B2 · Jun 7, 2022 · US
High-efficiency and short-process method for preparing a high-strength and high-conductivity copper alloy
US-2021332467-A1 · Oct 28, 2021 · US
METHOD FOR PRODUCING Cu-Ni-Sn ALLOY AND COOLER TO BE USED FOR SAME
US-2021299744-A1 · Sep 30, 2021 · US
Copper-nickel-tin alloy, method for the production thereof and use thereof
US-11035024-B2 · Jun 15, 2021 · US
Continuous shape memory alloy wire production by melt spinning
US-10889883-B2 · Jan 12, 2021 · US
Equipment and method for manufacturing copper alloy material
US-10799944-B2 · Oct 13, 2020 · US
Copper alloy sputtering target and manufacturing method of copper alloy sputtering target
US-10770274-B2 · Sep 8, 2020 · US
Copper-nickel-tin alloy, method for the production thereof and use thereof
US-2020277686-A9 · Sep 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22D11/004?
- CPC B22D11/004 is the Cooperative Patent Classification code for “Copper alloys.”
- How many patents are filed under CPC B22D11/004 (Copper alloys)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC B22D11/004 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).