Multi-chamber submerged combustion melter and system
US-12275663-B2 · Apr 15, 2025 · US
Mechanical Engineering
Mechanical Engineering · 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 | F23C3/004 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 48 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 7 |
| 2017 | 9 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat pipe for submerged combustion burner
US-12215861-B2 · Feb 4, 2025 · US
System and method for platinum free melting of high index glasses
US-2024391815-A1 · Nov 28, 2024 · US
Supercritical hydrothermal combustion device
US-12098845-B2 · Sep 24, 2024 · US
Heat pipe for submerged combustion burner
US-2023184429-A1 · Jun 15, 2023 · US
Burner comprising a wearing piece
US-11655177-B2 · May 23, 2023 · US
Supercritical Hydrothermal Combustion Device
US-2023068390-A1 · Mar 2, 2023 · US
Multi-chamber submerged combustion melter and system
US-2022356103-A1 · Nov 10, 2022 · US
Multi-chamber submerged combustion melter and system
US-11427492-B2 · Aug 30, 2022 · US
Submerged combustion burners, submerged combustion glass melters including the burners, and methods of use
US-11186510-B2 · Nov 30, 2021 · US
Burner for submerged combustion melting
US-11142476-B2 · Oct 12, 2021 · US
Burner panels including dry-tip burners, submerged combustion melters, and methods
US-10955132-B2 · Mar 23, 2021 · US
Multi-chamber submerged combustion melter and system
US-2021009457-A1 · Jan 14, 2021 · US
Burner for a melting chamber
US-2020407257-A1 · Dec 31, 2020 · US
Combustion burner
US-10858278-B2 · Dec 8, 2020 · US
Effective discharge of exhaust from submerged combustion melters and methods
US-10793459-B2 · Oct 6, 2020 · US
Burner comprising a wearing piece
US-2020290914-A1 · Sep 17, 2020 · US
Burner panels, submerged combustion melters, and methods
US-2020263870-A1 · Aug 20, 2020 · US
Burner panels, submerged combustion melters, and methods
US-10670261-B2 · Jun 2, 2020 · US
Submerged combustion burners, submerged combustion glass melters including the burners, and methods of use
US-10618830-B2 · Apr 14, 2020 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23C3/004?
- CPC F23C3/004 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F23C3/004 (Mechanical Engineering)?
- Our database includes 48 publications tagged with this CPC code.
- Is patent activity under CPC F23C3/004 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).