System for producing magnesium chloride and system for producing magnesium
US-12577120-B2 · Mar 17, 2026 · US
of magnesium
of magnesium · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C25C3/04 |
| Official title | of magnesium |
| Display label | of magnesium |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods, systems, and devices for purifying metal-containing material
US-2026002276-A1 · Jan 1, 2026 · US
Methods and systems for purifying metals or metal alloys
US-2025257492-A1 · Aug 14, 2025 · US
System for producing magnesium chloride aqueous solution and system for producing magnesium
US-12351475-B2 · Jul 8, 2025 · US
Reactor Device for Converting Powdered Metal Oxides and Conversion System Comprising Same
US-2025135430-A1 · May 1, 2025 · US
Automated corrosion monitoring and control system for molten salt equipment
US-12043904-B2 · Jul 23, 2024 · US
System and method for extracting oxygen from powdered metal oxides
US-11987893-B2 · May 21, 2024 · US
Method and Apparatus for Efficient Metal Distillation and Related Primary Production Process
US-2024141528-A1 · May 2, 2024 · US
Method and apparatus for efficient metal distillation and related primary production process
US-11773500-B2 · Oct 3, 2023 · US
System And Method For Extracting Oxygen From Powdered Metal Oxides
US-2023131327-A1 · Apr 27, 2023 · US
System for producing magnesium chloride and system for producing magnesium
US-2023045184-A1 · Feb 9, 2023 · US
System for producing magnesium chloride aqueous solution and system for producing magnesium
US-2023030186-A1 · Feb 2, 2023 · US
Engineering process for halogen salts, using two identical electrodes
US-2022186392-A1 · Jun 16, 2022 · US
An electrochemical method of reducing metal oxide
US-2022145484-A1 · May 12, 2022 · US
Automated corrosion monitoring and control system for molten salt equipment
US-2021310132-A1 · Oct 7, 2021 · US
Process that can withstand high currents, for producing ammonia
US-2021285113-A1 · Sep 16, 2021 · US
Method and Apparatus for Efficient Metal Distillation and Related Primary Production Process
US-2021040633-A1 · Feb 11, 2021 · US
Molten salt composition for smelting magnesium using solid oxide membrane (som) process
US-2021010104-A1 · Jan 14, 2021 · US
Molten salt electrolyzer, and method for producing metal magnesium using the same and method for producing a titanium sponge
US-10837084-B2 · Nov 17, 2020 · US
Method for synthesis of boron cluster based electrolytes for rechargeable magnesium battery
US-10224569-B2 · Mar 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25C3/04?
- CPC C25C3/04 is the Cooperative Patent Classification code for “of magnesium.”
- How many patents are filed under CPC C25C3/04 (of magnesium)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC C25C3/04 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).