Burner apparatus
US-2026085833-A1 · Mar 26, 2026 · US
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Staged fuel supply
Staged fuel supply · 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 | F23C2201/30 |
| Official title | Staged fuel supply |
| Display label | Staged fuel supply |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 4 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Burner and method for transient heating
US-12516809-B2 · Jan 6, 2026 · US
Compact low emissions burner nozzle using additive manufacturing
US-2025155121-A1 · May 15, 2025 · US
Burner Device with Primary Air Chamber, Staged Air Chamber, and Tertiary Air Chamber
US-2024344693-A1 · Oct 17, 2024 · US
Fuel-air mixing and flame stabilization device for a low emission burner with internal flue gas recirculation
US-2024102649-A1 · Mar 28, 2024 · US
Burner and method for transient heating
US-2024003539-A1 · Jan 4, 2024 · US
Comprehensive utilization system for high-temperature gasification and low-nitrogen combustion of biomass
US-11555610-B2 · Jan 17, 2023 · US
Method for operating a burner arrangement of a gas turbine
US-11313562-B2 · Apr 26, 2022 · US
Staged fuel burner
US-11105502-B2 · Aug 31, 2021 · US
System and method for providing combustion in a boiler
US-10955131-B2 · Mar 23, 2021 · US
Comprehensive utilization system for high-temperature gasification and low-nitrogen combustion of biomass
US-2021041099-A1 · Feb 11, 2021 · US
Burner apparatus and method of combustion
US-10914468-B2 · Feb 9, 2021 · US
Method for operating a burner arrangement of a gas turbine
US-2020393131-A1 · Dec 17, 2020 · US
Staged fuel burner
US-2020393124-A1 · Dec 17, 2020 · US
Reduced fouling in staged combustion
US-10859260-B2 · Dec 8, 2020 · US
Method and equipment for combustion of ammonia
US-10767556-B2 · Sep 8, 2020 · US
Combustors and methods of assembling the same
US-10724741-B2 · Jul 28, 2020 · US
Method and equipment for combustion of ammonia
US-2019107048-A1 · Apr 11, 2019 · US
Burner apparatus and method of combustion
US-2019093881-A1 · Mar 28, 2019 · US
Combustors and methods of assembling the same
US-2017328569-A1 · Nov 16, 2017 · US