Preparation method for heterogeneous Mg alloys bar with high elastic modulus
US-12492459-B2 · Dec 9, 2025 · US
Making metal-coated products; Making products from two or more metals
Making metal-coated products; Making products from two or more metals · 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 | B21C23/22 |
| Official title | Making metal-coated products; Making products from two or more metals |
| Display label | Making metal-coated products; Making products from two or more metals |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 8 |
| 2021 | 3 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Shape processes, feedstock materials, conductive materials and/or assemblies
US-12403516-B2 · Sep 2, 2025 · US
Functionally graded coatings and claddings
US-12377455-B2 · Aug 5, 2025 · US
Devices and methods for performing shear-assisted extrusion, extrusion feedstocks, extrusion processes, and methods for preparing metal sheets
US-12337366-B2 · Jun 24, 2025 · US
Efficient preparation method of bimetallic seamless composite pipe
US-12290848-B1 · May 6, 2025 · US
Preparation Method for Heterogeneous Mg Alloys Bar with High Elastic Modulus
US-2024360539-A1 · Oct 31, 2024 · US
Method and device for coaxially extruding an extruded product
US-2024042667-A1 · Feb 8, 2024 · US
Method and device for producing an extruded product
US-2024024938-A1 · Jan 25, 2024 · US
Extrusion processes, feedstock materials, conductive materials and/or assemblies
US-2023234115-A1 · Jul 27, 2023 · US
Extrusion processes for forming extrusions of a desired composition from a feedstock
US-11684959-B2 · Jun 27, 2023 · US
Method of metal foam extrusion and articles manufactured therefrom
US-11628497-B2 · Apr 18, 2023 · US
Functionally Graded Coatings and Claddings
US-2023088412-A1 · Mar 23, 2023 · US
Shear assisted extrusion process
US-11517952-B2 · Dec 6, 2022 · US
Devices and Methods for Performing Shear-Assisted Extrusion, Extrusion Feedstocks, Extrusion Processes, and Methods for Preparing Metal Sheets
US-2022297174-A1 · Sep 22, 2022 · US
Devices and methods for performing shear-assisted extrusion, extrusion feedstocks, extrusion processes, and methods for preparing metal sheets
US-11383280-B2 · Jul 12, 2022 · US
Devices and Methods for Performing Shear-Assisted Extrusion, Extrusion Feedstocks, Extrusion Processes, and Methods for Preparing Metal Sheets
US-2022152677-A1 · May 19, 2022 · US
Steel-vanadium alloy cladding for fuel element
US-2022115150-A1 · Apr 14, 2022 · US
Method of metal foam extrusion and articles manufactured therefrom
US-2022105565-A1 · Apr 7, 2022 · US
Flat extruded aluminum multi-port tube whose inner surface is highly corrosion-resistant and an aluminum heat exchanger using the tube
US-11255618-B2 · Feb 22, 2022 · US
Methods of forming fiber-reinforced composite parts and fiber-reinforced composite parts formed thereby
US-11229934-B2 · Jan 25, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21C23/22?
- CPC B21C23/22 is the Cooperative Patent Classification code for “Making metal-coated products; Making products from two or more metals.”
- How many patents are filed under CPC B21C23/22 (Making metal-coated products; Making products from two or more metals)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC B21C23/22 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).