Apparatus and method capable of monitoring and adjusting in-furnace combustion conditions in real time
US-12338997-B2 · Jun 24, 2025 · US
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by discharging the air beyond the fire, i.e. nearer the smoke outlet
by discharging the air beyond the fire, i.e. nearer the smoke outlet · 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 | F23L9/04 |
| Official title | by discharging the air beyond the fire, i.e. nearer the smoke outlet |
| Display label | by discharging the air beyond the fire, i.e. nearer the smoke outlet |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heater with remote combustion air addition
US-2025027643-A1 · Jan 23, 2025 · US
Method and device for heating a furnace
US-10746402-B2 · Aug 18, 2020 · US
Combustion device
US-10359193-B2 · Jul 23, 2019 · US
Furnace combustion system and method
US-10119701-B2 · Nov 6, 2018 · US
High efficiency solid fuel burning stove with optimized burning conditions and low level of emission
US-10041682-B1 · Aug 7, 2018 · US
Apparatus and method of controlling the thermal performance of an oxygen-fired boiler
US-9752773-B2 · Sep 5, 2017 · US
Apparatus and method of controlling the thermal performance of an oxygen-fired boiler
US-2017045219-A1 · Feb 16, 2017 · US
Method and arrangement for treating process gas flowing from a pyrometallurgical furnace into a waste heat boiler
US-2016223187-A1 · Aug 4, 2016 · US
Combustion device
US-2016146463-A1 · May 26, 2016 · US
PLANT, COMBUSTION APPARATUS, AND METHOD FOR REDUCTION OF NOx EMISSIONS
US-2016146462-A1 · May 26, 2016 · US
Furnace combustion system and method
US-2015338088-A1 · Nov 26, 2015 · US
Method and arrangement for optimising combustion conditions in a fluidised-bed boiler
US-9052106-B2 · Jun 9, 2015 · US
Combustion controller
US-8967996-B2 · Mar 3, 2015 · US