G21C 3/58
Solid reactor fuel pellets made of fissile material
Official title: Solid reactor fuel {Pellets made of fissile material}
G21C3/58 (Solid reactor fuel pellets made of fissile material) appears on 471 US grants and 376 published applications in this corpus.
Search patents in G21C- Granted patents
- 471
- Published applications
- 376
- Assignees
- 225
- Inventors
- 1,073
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 19 | 0 |
| 1978 | 12 | 0 |
| 1979 | 5 | 0 |
| 1980 | 14 | 0 |
| 1981 | 16 | 0 |
| 1982 | 6 | 0 |
| 1983 | 15 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 11 | 0 |
| 1988 | 2 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 11 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 2 |
| 2002 | 2 | 3 |
| 2003 | 4 | 7 |
| 2004 | 4 | 4 |
| 2005 | 2 | 6 |
| 2006 | 4 | 6 |
| 2007 | 4 | 9 |
| 2008 | 1 | 8 |
| 2009 | 4 | 7 |
| 2010 | 5 | 14 |
| 2011 | 5 | 20 |
| 2012 | 5 | 14 |
| 2013 | 7 | 15 |
| 2014 | 11 | 15 |
| 2015 | 12 | 14 |
| 2016 | 11 | 13 |
| 2017 | 17 | 20 |
| 2018 | 16 | 19 |
| 2019 | 15 | 14 |
| 2020 | 25 | 26 |
| 2021 | 24 | 33 |
| 2022 | 16 | 31 |
| 2023 | 21 | 25 |
| 2024 | 19 | 25 |
| 2025 | 17 | 9 |
| 2026 | 11 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- TRISO architecture for palladium and silicon carbide interaction mitigation29 Sep 2026US 12,749,588 B2UT-Battelle, LLC
- Composite uranium silicide-uranium dioxide nuclear fuel28 Jul 2026US 12,694,995 B2University of South Carolina
- Method for preparing UO2 mixture powder for nuclear fuel manufacturing by means of IBC blender, and UO2 mixture powder for nuclear fuel manufacturing, prepared thereby21 Jul 2026US 12,688,944 B2Kepco Nuclear Fuel Co., Ltd.
- Composite ammonium diuranate gel particles with a phenolic resin phase, and methods of making the same16 Jun 2026US 12,655,027 B2X-energy, LLC
- Device, system and method for detecting transport boats2 Jun 2026US 12,646,631 B2ALD Vacuum Technologies GmbH
- Sintering additives for improved microstructure control8 Oct 2026US 2026/0308070 A1UT-Battelle, LLC
- Heat-generating nuclear reactor with liquid metal coolant and core comprising coolant-sealed tubes each housing "triso" nuclear fuel particles24 Sep 2026US 2026/0290636 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Composite ammonium diuranate gel particles with a phenolic resin phase, and methods of making the same17 Sep 2026US 2026/0274684 A1X-energy, LLC
- Swell Resistant Fuel Pellets and Methods of Manufacture Thereof20 Aug 2026US 2026/0245750 A1
- Integral burnable coating for resisting fuel fragmentation, relocation, and dispersal and pellet-cladding bond formation6 Aug 2026US 2026/0229375 A1Westinghouse Electric Corp.
Most cited
By later US patents
- Control of a laser inertial confinement fusion-fission power plant40US 9,171,646 B2Lawrence Livermore National Security, LLC · 2015
- Process for producing sintered mixed oxides which are soluble in nitric acid from solutions of nitrates39US 4,871,479 AComurhex Societe pour la Conversion de l'Uranium en Metal et Hexafluorure · 1989
- Coprocessed nuclear fuels containing (U, Pu) values as oxides, carbides or carbonitrides37US 4,397,778 A1983
- Fuel assembly for nuclear reactor and manufacturing method thereof28US 5,596,615 AHitachi, Ltd. · 1997
- Molten salt extraction of transuranic and reactive fission products from used uranium oxide fuel28US 8,734,738 B1U. S. Department of Energy · 2014