G21C 5/14
Moderator or core structure: characterised by shape
Official title: characterised by shape
G21C5/14 (Moderator or core structure: characterised by shape) appears on 36 US grants and 52 published applications in this corpus.
Search patents in G21C- Granted patents
- 36
- Published applications
- 52
- Assignees
- 34
- Inventors
- 122
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 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 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 2 |
| 2017 | 1 | 4 |
| 2018 | 3 | 5 |
| 2019 | 3 | 2 |
| 2020 | 2 | 5 |
| 2021 | 6 | 4 |
| 2022 | 3 | 6 |
| 2023 | 2 | 2 |
| 2024 | 4 | 6 |
| 2025 | 0 | 2 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Molten fuel reactor thermal management configurations24 Feb 2026US 12,562,287 B2TerraPower, LLC
- Molten salt nuclear reactor core having a bulbous shape13 Jan 2026US 12,525,364 B2Copenhagen Atomics A/S
- Nuclear reactor core having outer portion coolant passages of larger diameter than inner portion coolant passages13 Jan 2026US 12,525,365 B2Standard Nuclear, Inc.
- Fission reactor with segmented cladding bodies having cladding arms with involute curve shape5 Nov 2024US 12,136,497 B2BWXT Advanced Technologies LLC
- Control rod drive system for nuclear reactor19 Mar 2024US 11,935,663 B2Smr Inventec, LLC
- Sodium cooled fast reactor mechanical hold down and discrimination system1 Oct 2026US 2026/0301978 A1TerraPower, LLC
- Calandria nuclear core assembly and method of assembling a nuclear moderator core system20 Aug 2026US 2026/0245752 A1Terrestrial Energy Inc.
- Chain container reactor6 Aug 2026US 2026/0229374 A1Unists
- Small moderated nuclear reactors9 Jul 2026US 2026/0196368 A1Triad National Security, LLC
- Reactor control and shutdown systems28 May 2026US 2026/0148869 A1Nano Nuclear Energy Inc.
Most cited
By later US patents
- Nuclear reactor configured to have molten fuel pass through plural heat exchangers before returning to core31US 10,497,479 B2TerraPower, LLC · 2019
- Molten salt nuclear reactor19US 9,881,700 B2Ottawa Valley Research Associates Ltd. · 2018
- Molten fuel reactor thermal management configurations14US 11,367,536 B2TerraPower, LLC · 2022
- Fitting structure of rectangular parallelopipedal blocks14US 5,617,691 ADoryokuro Kakunenryo Kaihatsu Jigyodan · 1997
- Molten fuel reactor cooling and pump configurations13US 10,741,293 B2TerraPower, LLC · 2020