F22B 37/228
Headers for distributing feedwater into steam generator vessels
Official title: {Headers for distributing feedwater into steam generator vessels; Accessories therefor}
F22B37/228 (Headers for distributing feedwater into steam generator vessels) appears on 40 US grants and 16 published applications in this corpus.
Search patents in F22B- Granted patents
- 40
- Published applications
- 16
- Assignees
- 27
- Inventors
- 81
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 3 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steam generator for fuel cell system27 Jan 2026US 12,535,208 B2Ceres Intellectual Property Company Limited
- System and method for top platform assembly of heat recovery steam generator (HRSG)27 May 2025US 12,313,255 B2GE Infrastructure Technology LLC
- Connection tube support of waste heat recovery boiler and waste heat recovery boiler including same29 Oct 2024US 12,130,010 B2Doosanenerbility Co., Ltd.
- Auxiliary boiler systems and methods of operating and implementing same2 Jan 2024US 11,859,811 B2Cleaver-Brooks, Inc.
- Seawater leakage detection device in feedwater system, method for detecting seawater leakage in feedwater system, and steam turbine plant31 Oct 2023US 11,802,688 B2Mitsubishi Heavy Industries, Ltd.
- Connection tube support of waste heat recovery boiler and waste heat recovery boiler including same30 May 2024US 2024/0175572 A1Doosan Enerbility Co., Ltd.
- Stress relieving attachment of tube to tubesheet, such as in a pressure vessel shell of a nuclear reactor power system25 May 2023US 2023/0162879 A1NuScale Power, LLC
- Steam generator for fuel cell system6 Oct 2022US 2022/0316698 A1Ceres Intellectual Property Company Limited
- Auxiliary Boiler Systems and Methods of Operating and Implementing Same15 Sep 2022US 2022/0290855 A1Cleaver-Brooks, Inc.
- System and method for top platform assembly of heat recovery steam generator (hrsg)21 Apr 2022US 2022/0120434 A1General Electric Company
Most cited
By later US patents
- Fluid distributor for heat exchanger inlet nozzle16US 4,576,222 AWestinghouse Electric Corp. · 1986
- Nuclear reactor having double tube helical coil heat exchanger16US 4,737,337 AStone & Webster Engineering Corp. · 1988
- Pressure vessel having a connection stub with a thermal protector15US 4,844,274 ASiemens Aktiengesellschaft · 1989
- Flow distribution arrangement for a steam generator14US 4,037,569 AWestinghouse Electric Corp. · 1977
- J tube discharge or feedwater header12US 3,991,720 AWestinghouse Electric Corp. · 1976