G21C 15/04
From fissile or breeder material
Official title: from fissile or breeder material {(G21C3/32 takes precedence)}
G21C15/04 (From fissile or breeder material) appears on 59 US grants and 73 published applications in this corpus.
Search patents in G21C- Granted patents
- 59
- Published applications
- 73
- Assignees
- 48
- Inventors
- 200
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 4 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 4 |
| 2016 | 3 | 2 |
| 2017 | 2 | 1 |
| 2018 | 0 | 9 |
| 2019 | 2 | 2 |
| 2020 | 7 | 5 |
| 2021 | 6 | 4 |
| 2022 | 4 | 7 |
| 2023 | 5 | 8 |
| 2024 | 9 | 7 |
| 2025 | 6 | 3 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat pipe fuel element and fission reactor incorporating same, particularly having phyllotaxis spacing pattern of heat pipe fuel elements, and method of manufacture8 Sep 2026US 12,731,700 B2BWXT Advanced Technologies LLC
- Nuclear reactors having liquid metal alloy fuels and/or moderators4 Aug 2026US 12,700,513 B2
- Thermal power reactor30 Dec 2025US 12,512,229 B2Soletanche Freyssinet
- Nuclear reactor for heat and power generation30 Sep 2025US 12,431,249 B2Oklo Inc.
- Method for operating nuclear reactor for heat and power generation30 Sep 2025US 12,431,250 B2Oklo Inc.
- Fuel assemblies for reactor systems16 Jul 2026US 2026/0204441 A1BAE SYSTEMS plc
- Multiplicative fission and converter Core for thermal and electrial generation16 Jul 2026US 2026/0204442 A1
- Heat exchangers28 May 2026US 2026/0148870 A1Nano Nuclear Energy Inc.
- Reactor systems28 May 2026US 2026/0148873 A1Nano Nuclear Energy Inc.
- Radial in-flow particle bed nuclear rocket engine and method30 Apr 2026US 2026/0117726 A1Dark Fission Space Systems Inc.
Most cited
By later US patents
- Nuclear fuel assembly with coolant conducting tube21US 4,420,458 AGeneral Electric Company · 1983
- Nuclear propulsion rocket21US 5,410,578 AThe Babcock & Wilcox Company · 1995
- Modular transportable nuclear generator20US 10,229,757 B2Logos Technologies, LLC · 2019
- Fuel assembly for nuclear reactors20US 4,970,047 AKabushiki Kaisha Toshiba · 1990
- Fuel assembly having water passageway in channel wall16US 4,526,746 AAB Asea-Atom · 1985