Light alloy wheel, method for manufacturing same, and device for manufacturing same
US-2017266722-A1 · Sep 21, 2017 · US
Casting aluminium or magnesium {(no material; see B22D21/007)}
Casting aluminium or magnesium {(no material; see B22D21/007)} · 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 | B22D21/04 |
| Official title | Casting aluminium or magnesium {(no material; see B22D21/007)} |
| Display label | Casting aluminium or magnesium {(no material; see B22D21/007)} |
| Total patents | 320 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 27 |
| 2017 | 31 |
| 2018 | 23 |
| 2019 | 29 |
| 2020 | 25 |
| 2021 | 23 |
| 2022 | 35 |
| 2023 | 37 |
| 2024 | 31 |
| 2025 | 25 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aluminum alloy and production method thereof
US-9657376-B2 · May 23, 2017 · US
Degassing and microstructure refinement of shape casting aluminum alloys
US-2017056971-A1 · Mar 2, 2017 · US
Crystal grain refiner for magnesium alloy, containing aluminum, a method for preparing magnesium alloy, and magnesium alloy manufactured by same method
US-2017016089-A1 · Jan 19, 2017 · US
Aluminum alloys and methods for producing the same
US-9528174-B2 · Dec 27, 2016 · US
Thin-walled magnesium diecast shock tower for use in a vehicle
US-9517796-B2 · Dec 13, 2016 · US
Method for manufacturing products made of aluminium-copper-lithium alloy with improved fatigue properties, and distributor for this method
US-2016355916-A1 · Dec 8, 2016 · US
Casting mold and cast article produced using the same
US-9498818-B2 · Nov 22, 2016 · US
Liftgate inner die cast profile
US-9487068-B2 · Nov 8, 2016 · US
High elastic aluminum alloy and method for producing the same
US-2016319398-A1 · Nov 3, 2016 · US
Aluminum alloy for continuous casting and method for producing the same
US-9469888-B2 · Oct 18, 2016 · US
Method of refining aluminum alloy
US-2016273076-A1 · Sep 22, 2016 · US
Aluminium alloy refiner and preparation method and application thereof
US-2016273075-A1 · Sep 22, 2016 · US
System and method for reducing hydrogen in a casting
US-2016271691-A1 · Sep 22, 2016 · US
Magnesium-based alloy produced using a silicon compound and method for producing same
US-9447482-B2 · Sep 20, 2016 · US
Thin-walled magnesium diecast shock tower for use in a vehicle
US-2016264176-A1 · Sep 15, 2016 · US
Alloy casting apparatus
US-9427803-B2 · Aug 30, 2016 · US
Semiconductor device and method of manufacture thereof
US-9425065-B2 · Aug 23, 2016 · US
Flame-retardant magnesium alloy and method of manufacturing same
US-2016168666-A1 · Jun 16, 2016 · US
Undercut die casting and injection molding systems and methods
US-2016151835-A1 · Jun 2, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22D21/04?
- CPC B22D21/04 is the Cooperative Patent Classification code for “Casting aluminium or magnesium {(no material; see B22D21/007)}.”
- How many patents are filed under CPC B22D21/04 (Casting aluminium or magnesium {(no material; see B22D21/007)})?
- Our database includes 320 publications tagged with this CPC code.
- Is patent activity under CPC B22D21/04 growing?
- Publication counts under this code: 31 in 2024 vs 25 in 2025 (latest complete years).