Fuel-fired burner with internal exhaust gas recycle
US-12338992-B2 · Jun 24, 2025 · US
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Subject matter not provided for in other groups of this subclass
Subject matter not provided for in other groups of this subclass · 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 | F23D99/00 |
| Official title | Subject matter not provided for in other groups of this subclass |
| Display label | Subject matter not provided for in other groups of this subclass |
| Total patents | 18 |
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 | 4 |
| 2019 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flame producing assemblies
US-2024247800-A1 · Jul 25, 2024 · US
Burner with imaging device, electric furnace provided with said burner, and method for manufacturing molten iron using said electric furnace
US-2024102737-A1 · Mar 28, 2024 · US
Fuel-fired burner with internal exhaust gas recycle
US-2024019119-A1 · Jan 18, 2024 · US
Fuel-fired burner with internal exhaust gas recycle
US-11732886-B2 · Aug 22, 2023 · US
Fuel-fired burner with internal exhaust gas recycle
US-2022163197-A1 · May 26, 2022 · US
Radiant infrared gas burner
US-11255538-B2 · Feb 22, 2022 · US
Method and apparatus for reducing the NOx emissions in a rotary kiln
US-10914522-B2 · Feb 9, 2021 · US
Systems and methods for resizing holes
US-2019217429-A1 · Jul 18, 2019 · US
Radiant infrared gas burner
US-2019049108-A1 · Feb 14, 2019 · US
Forging die heating apparatuses and methods for use
US-2019015890-A1 · Jan 17, 2019 · US
Forging die heating apparatuses and methods for use
US-10105749-B2 · Oct 23, 2018 · US
Burner
US-10082289-B2 · Sep 25, 2018 · US
Method and apparatus for reducing the nox emissions in a rotary kiln
US-2018252473-A1 · Sep 6, 2018 · US
Prefabricated integrated combustion assemblies and methods of installing the same into a combustion system
US-2018023810-A1 · Jan 25, 2018 · US
Heating device exhaust pipe arrangement with integrated muffler and method for producing same
US-2017276349-A1 · Sep 28, 2017 · US
Furnace burner holders, cartridges, assemblies and methods for their installation
US-2016131398-A1 · May 12, 2016 · US
Burner
US-2016061443-A1 · Mar 3, 2016 · US