System for treating tin smelting intermediate materials and method for treating same
US-12492446-B2 · Dec 9, 2025 · US
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Smelting
Smelting · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F27M2003/13 |
| Official title | Smelting |
| Display label | Smelting |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device and method for magnesium smelting by vacuum carbothermal reduction of calcined dolomite
US-2025109457-A1 · Apr 3, 2025 · US
Support tooling for porous preforms to be infiltrated and oven using such a tooling
US-12098884-B2 · Sep 24, 2024 · US
Device for preparing ultra-high-purity zinc based on intelligently-controlled zone melting
US-2024229193-A9 · Jul 11, 2024 · US
Device for preparing ultra-high-purity zinc based on intelligently-controlled zone melting
US-2024132997-A1 · Apr 25, 2024 · US
Magnesium alloy material smelting device
US-11841191-B2 · Dec 12, 2023 · US
Blast furnace for ironmaking production
US-2023366047-A1 · Nov 16, 2023 · US
Magnesium Alloy Material Smelting Device
US-2023194176-A1 · Jun 22, 2023 · US
System for treating tin smelting intermediate materials and method for treating same
US-2023111491-A1 · Apr 13, 2023 · US
Slag door for a melting furnace
US-11614283-B2 · Mar 28, 2023 · US
Electrolytic smelting furnace and electrolytic smelting method
US-2023026097-A1 · Jan 26, 2023 · US
Furnace assembly for a metal-making process
US-11543182-B2 · Jan 3, 2023 · US
System and method of operating a batch melting furnace
US-11441206-B2 · Sep 13, 2022 · US
Chaotic stirring device and method combining plasma arc smelting and permanent magnet
US-11428471-B2 · Aug 30, 2022 · US
Support tooling for porous preforms to be infiltrated and oven using such a tooling
US-2022170143-A1 · Jun 2, 2022 · US
Electric power method for an electric furnace and corresponding apparatus
US-11320203-B2 · May 3, 2022 · US
Electric power method for an electric furnace and corresponding apparatus
US-2021231372-A1 · Jul 29, 2021 · US
Furnace Assembly For A Metal-Making Process
US-2021164731-A1 · Jun 3, 2021 · US
Furnace assembly for a metal-making process
US-10921060-B2 · Feb 16, 2021 · US
Slag door for a melting furnace
US-2020309456-A1 · Oct 1, 2020 · US