F22B 35/004
Control systems for steam generators of nuclear power plants
Official title: {Control systems for steam generators of nuclear power plants}
F22B35/004 (Control systems for steam generators of nuclear power plants) appears on 55 US grants and 35 published applications in this corpus.
Search patents in F22B- Granted patents
- 55
- Published applications
- 35
- Assignees
- 25
- Inventors
- 111
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 3 | 1 |
| 2016 | 2 | 3 |
| 2017 | 1 | 0 |
| 2018 | 2 | 1 |
| 2019 | 1 | 4 |
| 2020 | 1 | 6 |
| 2021 | 0 | 1 |
| 2022 | 7 | 3 |
| 2023 | 0 | 0 |
| 2024 | 3 | 2 |
| 2025 | 1 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated control logic device and operating method thereof to control water level of steam generator of nuclear power plant26 May 2026US 12,638,171 B2Kepco Engineering & Construction Company, Inc.
- Passive chemical injection system for controlling a nuclear reaction by delivering a neutron-absorbing chemical into a containment vessel27 Jan 2026US 12,537,110 B2NuScale Power, LLC
- Control system and method for heat supply apparatus of nuclear power plant8 Jul 2025US 12,354,758 B2Shandong Nuclear Power Company Ltd.
- Controlling a power output of a nuclear reaction using chemical injection24 Sep 2024US 12,100,523 B2NuScale Power, LLC
- Controlling a power output of a nuclear reactor without using control rods28 May 2024US 11,996,208 B2NuScale Power, LLC
- Approach temperature steam generator control16 Apr 2026US 2026/0104163 A1NuScale Power, LLC
- Method and system for monitoring a nuclear plant, with detection and characterization of an imbalance9 Oct 2025US 2025/0316397 A1Framatome
- Control system and method for heat supply apparatus of nuclear power plant3 Apr 2025US 2025/0111958 A1Shandong Nuclear Power Company Ltd.
- Controlling a power output of a nuclear reaction using chemical injection5 Dec 2024US 2024/0404716 A1NuScale Power, LLC
- Passive chemical injection system for controlling a nuclear reaction by delivering a neutron-absorbing chemical into a containment vessel24 Oct 2024US 2024/0355488 A1NuScale Power, LLC
Most cited
By later US patents
- Nuclear reactor power supply26US 4,427,620 AWestinghouse Electric Corp. · 1984
- Nuclear reactor power generation19US 4,104,117 AWestinghouse Electric Corp. · 1978
- Automatic steam generator feedwater control over full power range19US 4,777,009 ACombustion Engineering, Inc. · 1988
- Automatic steam generator control at low power17US 4,912,732 ACombustion Engineering, Inc. · 1990
- Vapor generating technique12US 4,261,298 AThe Babcock & Wilcox Company · 1981