Molten metal dispensing systems and methods for additive manufacturing in space
US-2026061483-A1 · Mar 5, 2026 · US
by using filtering means (B22C9/086 takes precedence)
by using filtering means (B22C9/086 takes precedence) · 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 | B22D43/004 |
| Official title | {by using filtering means (B22C9/086 takes precedence)} |
| Display label | by using filtering means (B22C9/086 takes precedence) |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Countergravity Casting Apparatus and Desulfurization Methods
US-2026048433-A1 · Feb 19, 2026 · US
Molten metal filter device for casting vehicle components
US-12280421-B2 · Apr 22, 2025 · US
Molten metal filter device for casting vehicle components
US-2024424551-A1 · Dec 26, 2024 · US
High pressure filter apparatus and related methods
US-2024227001-A9 · Jul 11, 2024 · US
Molten metal filter
US-2024165696-A1 · May 23, 2024 · US
High pressure filter apparatus and related methods
US-2024131579-A1 · Apr 25, 2024 · US
Countergravity casting apparatus and desulfurization methods
US-11772152-B2 · Oct 3, 2023 · US
Filter handling tool
US-2023304124-A1 · Sep 28, 2023 · US
Filter handling tool
US-11674198-B2 · Jun 13, 2023 · US
Countergravity Casting Apparatus and Desulfurization Methods
US-2022347741-A1 · Nov 3, 2022 · US
Countergravity casting apparatus and desulfurization methods
US-11433452-B2 · Sep 6, 2022 · US
Flow-controllable tundish structure capable of filtering inclusions in molten steel
US-11273488-B2 · Mar 15, 2022 · US
Low melting temperature metal purification and deposition
US-10916761-B2 · Feb 9, 2021 · US
Flow-controllable tundish structure capable of filtering inclusions in molten steel
US-2021016346-A1 · Jan 21, 2021 · US
Countergravity Casting Apparatus and Desulfurization Methods
US-2020156147-A1 · May 21, 2020 · US
Filter handling tool
US-2020157654-A1 · May 21, 2020 · US
Countergravity Casting Apparatus and Desulfurization Methods
US-2020038942-A1 · Feb 6, 2020 · US
Low melting temperataure metal purification and deposition
US-2019190000-A1 · Jun 20, 2019 · US
Molten metal filtration device
US-10300525-B2 · May 28, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22D43/004?
- CPC B22D43/004 is the Cooperative Patent Classification code for “by using filtering means (B22C9/086 takes precedence).”
- How many patents are filed under CPC B22D43/004 (by using filtering means (B22C9/086 takes precedence))?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC B22D43/004 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).