Modular pressurized coal combustion plant (mccp) for flexible generation
US-2025207772-A1 · Jun 26, 2025 · US
This page is not indexed by search engines while we improve data quality.
built-up from water tubes grouped in panel form surrounding the combustion chamber, i.e. radiation boilers
built-up from water tubes grouped in panel form surrounding the combustion chamber, i.e. radiation boilers · 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 | F22B21/34 |
| Official title | built-up from water tubes grouped in panel form surrounding the combustion chamber, i.e. radiation boilers |
| Display label | built-up from water tubes grouped in panel form surrounding the combustion chamber, i.e. radiation boilers |
| 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 |
| 2016 | 3 |
| 2017 | 4 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Modular pressurized coal combustion (MPCC) for flexible generation
US-12222101-B2 · Feb 11, 2025 · US
Natural circulation multi-circulation package boiler with superheat for steam assisted gravity drainage (SAGD) process including superheat
US-11415314-B2 · Aug 16, 2022 · US
Furnace wall, gasification unit and integrated gasification combined cycle, and method of manufacturing furnace wall
US-10954853-B2 · Mar 23, 2021 · US
Modular pressurized coal combustion (mpcc) for flexible generation
US-2021025585-A1 · Jan 28, 2021 · US
Natural circulation multi-circulation package boiler with superheat for steam assisted gravity drainage (sagd) process including superheat
US-2020400305-A1 · Dec 24, 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
Furnace wall, gasification unit and integrated gasification combined cycle, and method of manufacturing furnace wall
US-2019186358-A1 · Jun 20, 2019 · 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
Continuous flow steam generator with a two-pass boiler design
US-9671105-B2 · Jun 6, 2017 · US
Once-through steam generator
US-9574766-B2 · Feb 21, 2017 · US
Continuous flow steam generator with a two-pass boiler design
US-2016178188-A1 · Jun 23, 2016 · US
Once-through steam generator
US-2016178190-A1 · Jun 23, 2016 · US
Forced-flow steam generator
US-9291344-B2 · Mar 22, 2016 · US
Double wall extension
US-9175846-B2 · Nov 3, 2015 · US