G21C 19/44
Of irradiated solid fuel
Official title: of irradiated solid fuel
G21C19/44 (Of irradiated solid fuel) appears on 333 US grants and 179 published applications in this corpus.
Search patents in G21C- Granted patents
- 333
- Published applications
- 179
- Assignees
- 163
- Inventors
- 888
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 10 | 0 |
| 1981 | 11 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 10 | 0 |
| 1996 | 6 | 0 |
| 1997 | 14 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 2 |
| 2002 | 10 | 5 |
| 2003 | 4 | 6 |
| 2004 | 6 | 2 |
| 2005 | 3 | 2 |
| 2006 | 5 | 6 |
| 2007 | 2 | 3 |
| 2008 | 4 | 6 |
| 2009 | 4 | 8 |
| 2010 | 5 | 15 |
| 2011 | 6 | 10 |
| 2012 | 4 | 16 |
| 2013 | 14 | 13 |
| 2014 | 17 | 9 |
| 2015 | 10 | 5 |
| 2016 | 8 | 12 |
| 2017 | 9 | 3 |
| 2018 | 8 | 7 |
| 2019 | 12 | 3 |
| 2020 | 6 | 7 |
| 2021 | 4 | 11 |
| 2022 | 2 | 5 |
| 2023 | 7 | 8 |
| 2024 | 5 | 10 |
| 2025 | 7 | 1 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for concentrating liquid radioactive waste28 Oct 2025US 12,456,558 B2State Atomic Energy Corporation "Rosatom" On Behalf of the Russian Federation
- Installation and method for converting uranium hexafluoride to uranium dioxide12 Aug 2025US 12,384,693 B2Framatome
- Method and facility for converting uranium hexafluoride into uranium dioxide12 Aug 2025US 12,384,694 B2Framatome
- Remix—fuel for a nuclear fuel cycle10 Jun 2025US 12,327,645 B2Federal State Unitary Enterprise “Mining and Chemical Combine” (Fsue “Mcc”)
- Separation apparatus for high-level nuclear waste8 Apr 2025US 12,272,467 B2
- Two-step chloride volatility process for separating uranium and transuranic elements from radioactive waste6 Aug 2026US 2026/0229378 A1Brigham Young University
- Conversion of spent nuclear fuel to fluoride salt fuel for molten salt reactors11 Jun 2026US 2026/0162841 A1Board of Regents, The University of Texas System
- A method of adjusting oxoacidity14 May 2026US 2026/0135007 A1Seaborg Aps
- Installation and method for converting uranium hexafluoride to uranium dioxide8 Jan 2026US 2026/0008689 A1Framatome
- Systems and methods for fast molten salt reactor fuel-salt preparation15 May 2025US 2025/0154022 A1Metatomic, Inc.
Most cited
By later US patents
- Process and apparatus for oxidizing or reducing dissolved substance64US 4,774,026 AHitachi, Ltd. · 1988
- Method and apparatus for ionizing all the elements in a complex substance such as radioactive waste and separating some of the elements from the other elements59US 5,681,434 A1997
- Supported liquid membrane separation52US 6,086,769 ACommodore Separation Technologies, Inc. · 2000
- Electrorefining process and apparatus for recovery of uranium and a mixture of uranium and plutonium from spent fuels46US 4,880,506 AThe United States of America as represented by the Department of Energy · 1989
- Method for extracting lanthanides and actinides from acid solutions45US 4,548,790 AThe United States of America as represented by the United States Department of Energy · 1985