System and methods for controlling operation of a recovery boiler to reduce fouling
US-12345410-B2 · Jul 1, 2025 · US
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Preventing premature solidification of molten combustion residues
Preventing premature solidification of molten combustion residues · 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 | F23J9/00 |
| Official title | Preventing premature solidification of molten combustion residues |
| Display label | Preventing premature solidification of molten combustion residues |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Correlation deriving method and correlation deriving device
US-12188656-B2 · Jan 7, 2025 · US
Method and device for predicting ash adhesion in coal-fired boiler, method and device for preventing ash adhesion in coal-fired boiler, and method and device for operating coal-fired boiler
US-11898751-B2 · Feb 13, 2024 · US
System and methods for controlling operation of a recovery boiler to reduce fouling
US-2023131798-A1 · Apr 27, 2023 · US
Gasification furnace operating method and gasification furnace
US-2023067815-A1 · Mar 2, 2023 · US
Correlation deriving method and correlation deriving device
US-2022364722-A1 · Nov 17, 2022 · US
System and methods for controlling operation of a recovery boiler to reduce fouling
US-2021341140-A1 · Nov 4, 2021 · US
Method and device for predicting ash adhesion in coal-fired boiler, method and device for preventing ash adhesion in coal-fired boiler, and method and device for operating coal-fired boiler
US-2021156561-A1 · May 27, 2021 · US
Method of combusting a sulfur-containing carbonaceous material with ash treatment
US-10760788-B2 · Sep 1, 2020 · US
Methods for operating a furnace
US-10641482-B2 · May 5, 2020 · US
Method for reducing slag in biomass combustion
US-9920929-B2 · Mar 20, 2018 · US
Method of combusting a sulfur-containing carbonaceous material with ash treatment
US-2017198907-A1 · Jul 13, 2017 · US
Method for suppressing adhesion of ash and device for suppressing adhesion of ash in boiler
US-9157633-B2 · Oct 13, 2015 · US