Low NOx gas burner with cooled flue gas recycle
US-12460814-B2 · Nov 4, 2025 · US
Premixing fluegas with combustion air
Premixing fluegas with combustion air · 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 | F23C2202/30 |
| Official title | Premixing fluegas with combustion air |
| Display label | Premixing fluegas with combustion air |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 4 |
| 2017 | 9 |
| 2018 | 12 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and system for oxygen boosted flue gas recycling to facilite carbon capture in an air fired burner
US-2025297737-A1 · Sep 25, 2025 · US
Fuel-fired burner with internal exhaust gas recycle
US-12338992-B2 · Jun 24, 2025 · US
Refractory block for low nox burners with internal flue gas recirculation
US-2024102646-A1 · Mar 28, 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
Fuel-fired burner with internal exhaust gas recycle
US-2024019119-A1 · Jan 18, 2024 · US
Heat generation for separate endothermic process with carbon capture
US-11761625-B2 · Sep 19, 2023 · US
Fuel-fired burner with internal exhaust gas recycle
US-11732886-B2 · Aug 22, 2023 · US
Low nox gas burner with cooled flue gas recycle
US-2023213182-A1 · Jul 6, 2023 · US
Low nox gas burner with cooled flue gas recycle
US-2023213181-A1 · Jul 6, 2023 · US
Heat generation for separate endothermic process with carbon capture
US-2023151960-A1 · May 18, 2023 · US
Low NOx burner with bypass conduit
US-11649960-B2 · May 16, 2023 · US
Low nox burner with bypass conduit
US-2022316700-A1 · Oct 6, 2022 · US
Fuel-fired burner with internal exhaust gas recycle
US-2022163197-A1 · May 26, 2022 · US
Process burner and process for combustion of carbon monoxide-containing fuel gases
US-2021356124-A1 · Nov 18, 2021 · US
Burner, furnace, and steam cracking processes using the same
US-11078429-B2 · Aug 3, 2021 · US
Oxy-combustion process with modular boiler design
US-11029020-B2 · Jun 8, 2021 · US
Gasification reactor with shared partial reactor vessels
US-10948180-B2 · Mar 16, 2021 · US
Method and apparatus for reducing the NOx emissions in a rotary kiln
US-10914522-B2 · Feb 9, 2021 · US
Gasification Reactor with Shared Partial Reactor Vessels
US-2020191384-A1 · Jun 18, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23C2202/30?
- CPC F23C2202/30 is the Cooperative Patent Classification code for “Premixing fluegas with combustion air.”
- How many patents are filed under CPC F23C2202/30 (Premixing fluegas with combustion air)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC F23C2202/30 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).