G21C 19/00
Arrangements for treating, for handling, or for facilitating the handling of, fuel
Official title: Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
G21C19/00 (Arrangements for treating, for handling, or for facilitating the handling of, fuel) appears on 2,257 US grants and 1,483 published applications in this corpus.
Search patents in G21C- Granted patents
- 2,257
- Published applications
- 1,483
- Assignees
- 601
- Inventors
- 4,373
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 60 | 0 |
| 1977 | 46 | 0 |
| 1978 | 34 | 0 |
| 1979 | 28 | 0 |
| 1980 | 39 | 0 |
| 1981 | 57 | 0 |
| 1982 | 32 | 0 |
| 1983 | 22 | 0 |
| 1984 | 39 | 0 |
| 1985 | 40 | 0 |
| 1986 | 34 | 0 |
| 1987 | 89 | 0 |
| 1988 | 74 | 0 |
| 1989 | 42 | 0 |
| 1990 | 41 | 0 |
| 1991 | 54 | 0 |
| 1992 | 56 | 0 |
| 1993 | 38 | 0 |
| 1994 | 56 | 0 |
| 1995 | 36 | 0 |
| 1996 | 25 | 0 |
| 1997 | 53 | 0 |
| 1998 | 45 | 0 |
| 1999 | 32 | 0 |
| 2000 | 17 | 0 |
| 2001 | 26 | 8 |
| 2002 | 39 | 39 |
| 2003 | 27 | 33 |
| 2004 | 24 | 27 |
| 2005 | 27 | 31 |
| 2006 | 17 | 37 |
| 2007 | 16 | 24 |
| 2008 | 17 | 35 |
| 2009 | 15 | 53 |
| 2010 | 27 | 77 |
| 2011 | 29 | 95 |
| 2012 | 42 | 72 |
| 2013 | 48 | 92 |
| 2014 | 80 | 78 |
| 2015 | 64 | 79 |
| 2016 | 65 | 81 |
| 2017 | 83 | 72 |
| 2018 | 81 | 80 |
| 2019 | 83 | 63 |
| 2020 | 69 | 75 |
| 2021 | 55 | 81 |
| 2022 | 60 | 58 |
| 2023 | 50 | 55 |
| 2024 | 49 | 59 |
| 2025 | 45 | 42 |
| 2026 | 30 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G21C 19/02Details of handling arrangements670
- G21C 19/20Arrangements for introducing objects into the pressure vessel501
- G21C 19/28Arrangements for introducing fluent material into the reactor core438
- G21C 19/42Reprocessing of irradiated fuel368
- G21C 19/32Apparatus for removing radioactive objects or materials from the reactor discharge area201
- G21C 19/40Arrangements for preventing occurrence of critical conditions150
- G21C 19/34Apparatus or processes for dismantling nuclear fuel130
- G21C 19/18Apparatus for bringing fuel elements to the reactor charge area69
All 12 subgroupsShow fewer
- G21C 19/19Reactor parts specifically adapted to facilitate handling62
- G21C 19/26Arrangements for removing jammed or damaged fuel elements or control elements41
- G21C 19/16Articulated or telescopic chutes or tubes for connection to channels in the27
- G21C 19/14Arrangements for treating, for handling, or for facilitating the handling of, fuel19
Recent patents
- Real-time change detection monitoring using isotopic ratio signatures6 Oct 2026US 12,754,332 B2UT-Battelle, LLC
- In-vessel natural circulation alkali metal reactor system, purification system, and associated methods6 Oct 2026US 12,755,855 B2Oklo Inc.
- Fission product extraction system and methods of use thereof6 Oct 2026US 12,755,856 B2Abilene Christian University
- Integrated monopile system having a nuclear reactor18 Aug 2026US 12,712,090 B2Blue Energy Global Inc.
- Separation of fission products in a molten salt reactor via adsorbent frameworks11 Aug 2026US 12,706,225 B2Abilene Christian University
- Nuclear reactor loading system and methods of use thereof8 Oct 2026US 2026/0311901 A1Abilene Christian University
- Refueling platform for integrated monopile system1 Oct 2026US 2026/0296604 A1Blue Energy Global Inc.
- Molten salt reactor and molten salt reactor system17 Sep 2026US 2026/0279605 A1Iucf-Hyu (Industry-University Cooperation Foundation Hanyang
- Nuclear reactor loading system and methods of use thereof17 Sep 2026US 2026/0279606 A1Abilene Christian University
- Separation of fission products in a molten salt reactor via adsorbent frameworks17 Sep 2026US 2026/0279607 A1Abilene Christian University
Most cited
By later US patents
- Apparatus for filtering water containing radioactive substances in nuclear power plants97US 4,756,875 AKabushiki Kaisha Toshiba · 1988
- Horizontal modular dry irradiated fuel storage system70US 4,780,269 ANutech Company Limited · 1988
- Method and apparatus for the underwater loading of nuclear materials into concrete containers employing heat removal systems67US 5,646,971 AHi-Temp Containers Inc. · 1997
- Process and apparatus for oxidizing or reducing dissolved substance64US 4,774,026 AHitachi, Ltd. · 1988
- Neutron absorber articles64US 4,780,268 AWestinghouse Electric Corp. · 1988