Method for heating a heat exchange medium in a fluidized bed boiler, a fluidized bed boiler, and a loopseal heat exchanger
US-12510241-B2 · Dec 30, 2025 · US
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Heat supply by installation of two or more combustion apparatus, e.g. of separate combustion apparatus for the boiler and the superheater respectively
Heat supply by installation of two or more combustion apparatus, e.g. of separate combustion apparatus for the boiler and the superheater respectively · 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 | F22B31/04 |
| Official title | Heat supply by installation of two or more combustion apparatus, e.g. of separate combustion apparatus for the boiler and the superheater respectively |
| Display label | Heat supply by installation of two or more combustion apparatus, e.g. of separate combustion apparatus for the boiler and the superheater respectively |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for Preparing Steam Using Waste Heat
US-2025216068-A1 · Jul 3, 2025 · US
A method for heating a heat exchange medium in a fluidized bed boiler, a fluidized bed boiler, and a loopseal heat exchanger
US-2024003534-A1 · Jan 4, 2024 · US
Method and a system for maintaining steam temperature with decreased loads of a steam turbine power plant comprising a fluidized bed boiler
US-11300288-B2 · Apr 12, 2022 · US
Heat recovery surfaces arrangement in a recovery boiler
US-11105499-B2 · Aug 31, 2021 · US
Method and apparatus for capturing carbon dioxide during combustion of carbon containing fuel
US-2020363060-A1 · Nov 19, 2020 · US
A method and a system for maintaining steam temperature with decreased loads of a steam turbine power plant comprising a fluidized bed boiler
US-2020363056-A1 · Nov 19, 2020 · US
Method and apparatus for capturing carbon dioxide during combustion of carbon containing fuel
US-10767861-B2 · Sep 8, 2020 · US
High temperature sub-critical boiler with steam cooled upper furnace
US-10429062-B2 · Oct 1, 2019 · US
High temperature sub-critical boiler with common steam cooled wall between furnace and convection pass
US-10415819-B2 · Sep 17, 2019 · US
Heat recovery surfaces arrangement in a recovery boiler
US-2018313531-A1 · Nov 1, 2018 · US
Method and apparatus for capturing carbon dioxide during combustion of carbon containing fuel
US-2018187887-A1 · Jul 5, 2018 · US
Method and apparatus for capturing carbon dioxide during combustion of carbon containing fuel
US-9939153-B2 · Apr 10, 2018 · US
High temperature sub-critical boiler with steam cooled upper furnace
US-2017284657-A1 · Oct 5, 2017 · US
High temperature sub-critical boiler with common steam cooled wall between furnace and convection pass
US-2017284656-A1 · Oct 5, 2017 · US
Steam generation system having multiple combustion chambers and dry flue gas cleaning
US-9657937-B2 · May 23, 2017 · US
Method and apparatus for capturing carbon dioxide during combustion of carbon containing fuel
US-2015013300-A1 · Jan 15, 2015 · US