Furnaces for melting particulate materials
US-2026002735-A1 · Jan 1, 2026 · US
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immersed in the charge
immersed in the charge · 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 | F27D2099/0036 |
| Official title | {immersed in the charge} |
| Display label | immersed in the charge |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High-efficiency furnace
US-12404200-B2 · Sep 2, 2025 · US
Method of heating up furnace bottom, and burner lance used in the method
US-12259184-B2 · Mar 25, 2025 · US
High-efficiency furnace
US-2023202899-A1 · Jun 29, 2023 · US
Method of heating up furnace bottom, and burner lance used in the method
US-2022178612-A1 · Jun 9, 2022 · US
Submerged combustion burners, submerged combustion glass melters including the burners, and methods of use
US-11186510-B2 · Nov 30, 2021 · US
Tuyere for a basic oxygen furnace
US-11155890-B2 · Oct 26, 2021 · US
Tuyere for a basic oxygen furnace
US-2021017616-A1 · Jan 21, 2021 · US
Bottom stirring tuyere and method for a basic oxygen furnace
US-10781499-B2 · Sep 22, 2020 · US
Submerged combustion burners, submerged combustion glass melters including the burners, and methods of use
US-10618830-B2 · Apr 14, 2020 · US
Plasma and oxygas fired furnace
US-10458000-B2 · Oct 29, 2019 · US
Submerged combustion burners, submerged combustion glass melters including the burners, and methods of use
US-2019263702-A1 · Aug 29, 2019 · US
Bottom stirring tuyere and method for a basic oxygen furnace
US-2019218631-A1 · Jul 18, 2019 · US
Submerged combustion burners, submerged combustion glass melters including the burners, and methods of use
US-2019092670-A1 · Mar 28, 2019 · US
Submerged combustion burners, submerged combustion glass melters including the burners, and methods of use
US-10183884-B2 · Jan 22, 2019 · US
Submerged combustion burners and melters, and methods of use
US-10138151-B2 · Nov 27, 2018 · US
Plasma and Oxygas Fired Furnace
US-2017321300-A1 · Nov 9, 2017 · US
Submerged combustion burners, submerged combustion glass melters including the burners, and methods of use
US-2016107914-A1 · Apr 21, 2016 · US
Submerged combustion burners and melters, and methods of use
US-2016083279-A1 · Mar 24, 2016 · US