G21C 7/28
Control of nuclear reaction: by displacement of the reflector or parts thereof
Official title: by displacement of the reflector or parts thereof
G21C7/28 (Control of nuclear reaction: by displacement of the reflector or parts thereof) appears on 38 US grants and 46 published applications in this corpus.
Search patents in G21C- Granted patents
- 38
- Published applications
- 46
- Assignees
- 27
- Inventors
- 147
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 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 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 2 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 1 | 2 |
| 2019 | 3 | 2 |
| 2020 | 3 | 2 |
| 2021 | 2 | 6 |
| 2022 | 3 | 4 |
| 2023 | 6 | 7 |
| 2024 | 2 | 4 |
| 2025 | 3 | 0 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nuclear reactor comprising a reactor vessel containing a reactor core and an alkali metal thermoelectric converter5 May 2026US 12,620,502 B2Shanghai Nuclear Engineering Research & Design Institute
- Nuclear reactor unit and method for cooling nuclear reactor unit10 Feb 2026US 12,548,683 B2Mitsubishi Heavy Industries, Ltd.
- Control drum controller for nuclear reactor system7 Oct 2025US 12,437,887 B2Standard Nuclear, Inc.
- Radial in-flow particle bed nuclear rocket engine and method9 Sep 2025US 12,410,766 B1Dark Fission Space Systems Inc.
- Radial in-flow particle bed nuclear rocket engine and method25 Feb 2025US 12,234,792 B1Dark Fission Space Systems Inc.
- Temperature activated passive shutdown device for a nuclear reactor16 Jul 2026US 2026/0204443 A1Moltex Energy Ltd
- Radial in-flow particle bed nuclear rocket engine and method30 Apr 2026US 2026/0117726 A1Dark Fission Space Systems Inc.
- Nuclear-energy storage integrated lead-based reactor with autonomous load-following function26 Feb 2026US 2026/0058029 A1Shanghai Jiao Tong University
- Core of Fast Reactor and Method of Operating Fast Reactor9 May 2024US 2024/0153652 A1Hatachi-GE Nuclear Energy, Ltd.
- Nuclear reactor and fuel9 May 2024US 2024/0153654 A1Oklo Inc.
Most cited
By later US patents
- Underground nuclear power station using self-regulating heat-pipe controlled reactors98US 4,851,183 AThe United States of America as represented by the United States Department of Energy · 1989
- Fast reactor38US 5,196,159 AKabushiki Kaisha Toshiba · 1993
- Fast reactor having reflector control system33US 5,420,897 ACentral Research Institute of Electric Power Industry · 1995
- Neutron reflector assembly for dynamic spectrum shifting22US 10,734,122 B2TerraPower, LLC · 2020
- Molten fuel nuclear reactor with neutron reflecting coolant21US 10,867,710 B2TerraPower, LLC · 2020