Integrated steam generator and superheater with process gas in ammonia synloop
US-12358803-B2 · Jul 15, 2025 · US
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Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements or dispositions of combustion apparatus
Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements or dispositions of combustion apparatus · 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 | F22B31/00 |
| Official title | Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements or dispositions of combustion apparatus |
| Display label | Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements or dispositions of combustion apparatus |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Petroleum residuum burning boiler and combustion method thereof
US-2022146090-A1 · May 12, 2022 · US
Steam-Producing Process and System
US-2021071861-A1 · Mar 11, 2021 · US
Circulating fluidized bed boiler with a loopseal heat exchanger
US-10890323-B2 · Jan 12, 2021 · US
Boiler and method for controlling boiler
US-2020191382-A1 · Jun 18, 2020 · US
Coal nozzle assembly comprising two flow channels
US-10648661-B2 · May 12, 2020 · US
Sensible and Latent Heat Exchangers with Particular Application to Vapor-Compression Desalination
US-2019301808-A1 · Oct 3, 2019 · US
A circulating fluidized bed boiler with a loopseal heat exchanger
US-2019249866-A1 · Aug 15, 2019 · US
Boiler, combined cycle plant, and steam cooling method for boiler
US-10227900-B2 · Mar 12, 2019 · US
Coal nozzle assembly comprising two flow channels
US-2019032914-A1 · Jan 31, 2019 · US
Upside-down type low NOx boiler
US-9958153-B2 · May 1, 2018 · US
Steam generator
US-9879853-B2 · Jan 30, 2018 · US
Boiler, combined cycle plant, and steam cooling method for boiler
US-2017211427-A1 · Jul 27, 2017 · US
Burner and boiler equipped with burner
US-2016178196-A1 · Jun 23, 2016 · US
Fluidized bed heat exchange apparatus for recovering heat of flue gas for producing high temperature water
US-9360232-B2 · Jun 7, 2016 · US
Method and apparatus for synthetizing composite using simultaneous vaporization, vaporizer for composite synthesis apparatus, vaporizer heater, and composite
US-9259702-B2 · Feb 16, 2016 · US