System and methods for controlling operation of a recovery boiler to reduce fouling
US-12345410-B2 · Jul 1, 2025 · US
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Adaptations for flue-gas purification in steam generators
Adaptations for flue-gas purification in steam generators · 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 | F22B37/008 |
| Official title | {Adaptations for flue-gas purification in steam generators} |
| Display label | Adaptations for flue-gas purification in steam generators |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Boiler flushing
US-12018595-B2 · Jun 25, 2024 · US
Boiler
US-11959638-B2 · Apr 16, 2024 · US
System and methods for controlling operation of a recovery boiler to reduce fouling
US-2023131798-A1 · Apr 27, 2023 · US
Boiler flushing
US-2022389843-A1 · Dec 8, 2022 · US
Method and arrangement
US-2022154974-A1 · May 19, 2022 · US
System and methods for controlling operation of a recovery boiler to reduce fouling
US-2021341140-A1 · Nov 4, 2021 · US
Supporting beam arrangement for supporting a flue gas duct
US-11162675-B2 · Nov 2, 2021 · US
Boiler
US-2021140629-A1 · May 13, 2021 · US
Supporting beam arrangement for supporting a flue gas duct
US-2020386399-A1 · Dec 10, 2020 · US
System for combined flue gas heat recovery and dust precipitation improvement as retrofit solution for existing coal-fired power stations
US-10253973-B2 · Apr 9, 2019 · US
Steam supply system and CO2 recovery unit including the same
US-10195561-B2 · Feb 5, 2019 · US
Steam generator
US-2018111085-A1 · Apr 26, 2018 · US
Carbon Dioxide Capture from Flu Gas
US-2018031315-A1 · Feb 1, 2018 · US
Economizer water recirculation system for boiler exit gas temperature control in supercritical pressure boilers
US-9696027-B2 · Jul 4, 2017 · US
Exhaust system for power generating apparatus
US-2016245139-A1 · Aug 25, 2016 · US
Auxillary steam generation arrangement for a combined cycle power plant
US-9416685-B2 · Aug 16, 2016 · US
Process for catalytic cracking associated with an amine treatment unit with improved CO2 balance
US-9352272-B2 · May 31, 2016 · US
Thermal power plant
US-8959916-B2 · Feb 24, 2015 · US