G21D 3/14
Varying flow of coolant
G21D3/14 (Varying flow of coolant) appears on 23 US grants and 22 published applications in this corpus.
Search patents in G21D- Granted patents
- 23
- Published applications
- 22
- Assignees
- 17
- Inventors
- 57
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 4 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 4 |
| 2021 | 1 | 1 |
| 2022 | 3 | 2 |
| 2023 | 0 | 0 |
| 2024 | 3 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
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- Controlling a power output of a nuclear reactor without using control rods28 May 2024US 11,996,208 B2NuScale Power, LLC
- Use of isolation condenser and/or feedwater to limit core flow, core power, and pressure in a boiling water reactor9 Apr 2024US 11,955,248 B2GE-Hitachi Nuclear Energy Americas LLC
- Boron injection system for controlling a nuclear reaction by delivering boron into a containment vessel13 Dec 2022US 11,527,334 B2NuScale Power, LLC
- Approach temperature steam generator control16 Apr 2026US 2026/0104163 A1NuScale Power, LLC
- 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
- Controlling a nuclear reaction17 Nov 2022US 2022/0367073 A1NuScale Power, LLC
- Controlling a nuclear reaction4 Aug 2022US 2022/0246317 A1NuScale Power, LLC
Most cited
By later US patents
- Nuclear power plant19US 4,879,087 AHitachi, Ltd. · 1989
- Method and apparatus for load following with a single-cycle boiling moderator-coolant nuclear reactor17US 4,150,546 AGeneral Electric Company · 1979
- Methods of reactor system pressure control by reactor core power modulation17US 6,198,786 B1General Electric Company · 2001
- Control for a closed cycle gas turbine system16US 5,309,492 AAdams Atomic Engines, Inc. · 1994
- System and method for controlling operation of boiling water reactor11US 4,400,343 AHitachi, Ltd. · 1983