G21C 7/30
Control of nuclear reaction: by displacement of the reactor fuel or fuel
Official title: by displacement of the reactor fuel or fuel elements
G21C7/30 (Control of nuclear reaction: by displacement of the reactor fuel or fuel) appears on 43 US grants and 41 published applications in this corpus.
Search patents in G21C- Granted patents
- 43
- Published applications
- 41
- Assignees
- 33
- Inventors
- 111
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 8 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 3 |
| 2017 | 5 | 3 |
| 2018 | 3 | 2 |
| 2019 | 2 | 2 |
| 2020 | 0 | 4 |
| 2021 | 6 | 3 |
| 2022 | 2 | 3 |
| 2023 | 1 | 2 |
| 2024 | 3 | 2 |
| 2025 | 3 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nuclear reactor core with rotating fuel modules and related systems15 Sep 2026US 12,738,386 B2Jacksonville University
- Modular core molten salt nuclear reactor14 Oct 2025US 12,444,512 B2Thorizon Holding B.V.
- Shielded transportable nuclear reactor12 Aug 2025US 12,387,854 B2Carbon Free Holdings LLC
- Passive reactivity control in a nuclear fission reactor8 Apr 2025US 12,272,466 B2TerraPower, LLC
- Closed-vessel molten salt fission reactor10 Sep 2024US 12,087,459 B2Bk Clean Energy LLC
- Temperature activated passive shutdown device for a nuclear reactor16 Jul 2026US 2026/0204443 A1Moltex Energy Ltd
- Modular core molten salt nuclear reactor15 Jan 2026US 2026/0018309 A1Thorizon Holding B.V.
- Pool-type reactor with drain tank30 Oct 2025US 2025/0336552 A1Abilene Christian University
- Nuclear reactor provided with a core support system16 Oct 2025US 2025/0322972 A1Newcleo Ltd
- Pool-type reactor with drain tank5 Jun 2025US 2025/0182916 A1Abilene Christian University
Most cited
By later US patents
- Fission reaction control in a molten salt reactor43US 10,438,705 B2TerraPower, LLC · 2019
- Nuclear reactor for breeding U.sup.23343US 3,960,655 AThe United States of America as represented by the United States Energy Research and Development Administration · 1976
- Mechanical design of a light water breeder reactor33US 3,957,575 AThe United States of America as represented by the United States Energy Research and Development Administration · 1976
- Neutron economic reactivity control system for light water reactors27US 4,879,086 AThe United States of America as represented by the United States Department of Energy · 1989
- Nuclear reactor for breeding U.sup.23326US 3,998,692 AThe United States of America as represented by the United States Energy Research and Development Administration · 1976