Steam generator for fuel cell system
US-12535208-B2 · Jan 27, 2026 · US
This page is not indexed by search engines while we improve data quality.
Headers for distributing feedwater into steam generator vessels; Accessories therefor
Headers for distributing feedwater into steam generator vessels; Accessories therefor · 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 | F22B37/228 |
| Official title | {Headers for distributing feedwater into steam generator vessels; Accessories therefor} |
| Display label | Headers for distributing feedwater into steam generator vessels; Accessories therefor |
| Total patents | 16 |
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 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for top platform assembly of heat recovery steam generator (HRSG)
US-12313255-B2 · May 27, 2025 · US
Connection tube support of waste heat recovery boiler and waste heat recovery boiler including same
US-12130010-B2 · Oct 29, 2024 · US
Connection tube support of waste heat recovery boiler and waste heat recovery boiler including same
US-2024175572-A1 · May 30, 2024 · US
Seawater leakage detection device in feedwater system, method for detecting seawater leakage in feedwater system, and steam turbine plant
US-11802688-B2 · Oct 31, 2023 · US
Stress relieving attachment of tube to tubesheet, such as in a pressure vessel shell of a nuclear reactor power system
US-2023162879-A1 · May 25, 2023 · US
Steam generator for fuel cell system
US-2022316698-A1 · Oct 6, 2022 · US
System and method for top platform assembly of heat recovery steam generator (HRSG)
US-11346544-B2 · May 31, 2022 · US
System and method for top platform assembly of heat recovery steam generator (hrsg)
US-2022120434-A1 · Apr 21, 2022 · US
L-shaped header of steam generator including spiral tube and a coupling structure of L-shaped header and tube
US-11204163-B2 · Dec 21, 2021 · US
System and method for top platform assembly of heat recovery steam generator (hrsg)
US-2021063012-A1 · Mar 4, 2021 · US
L-shaped header of steam generator including spiral tube and a coupling structure of l-shaped header and tube
US-2020363055-A1 · Nov 19, 2020 · US
Seawater leakage detection device in feedwater system, method for detecting seawater leakage in feedwater system, and steam turbine plant
US-2020256218-A1 · Aug 13, 2020 · US
Process fired heater configuration
US-10415820-B2 · Sep 17, 2019 · US
Process fired heater configuration
US-2017003017-A1 · Jan 5, 2017 · US
Feed water pipe for steam generator
US-8950365-B2 · Feb 10, 2015 · US