G21C 19/40
Arrangements for preventing occurrence of critical conditions
Official title: Arrangements for preventing occurrence of critical conditions, e.g. during storage
G21C19/40 (Arrangements for preventing occurrence of critical conditions) appears on 150 US grants and 118 published applications in this corpus.
Search patents in G21C- Granted patents
- 150
- Published applications
- 118
- Assignees
- 98
- Inventors
- 297
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 4 |
| 2003 | 0 | 2 |
| 2004 | 6 | 3 |
| 2005 | 3 | 2 |
| 2006 | 1 | 6 |
| 2007 | 2 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 4 |
| 2011 | 2 | 4 |
| 2012 | 3 | 1 |
| 2013 | 3 | 6 |
| 2014 | 3 | 8 |
| 2015 | 2 | 8 |
| 2016 | 4 | 7 |
| 2017 | 4 | 5 |
| 2018 | 6 | 8 |
| 2019 | 7 | 3 |
| 2020 | 4 | 5 |
| 2021 | 5 | 6 |
| 2022 | 6 | 6 |
| 2023 | 7 | 11 |
| 2024 | 9 | 6 |
| 2025 | 6 | 8 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated monopile system having a nuclear reactor18 Aug 2026US 12,712,090 B2Blue Energy Global Inc.
- Spent nuclear fuel storage rack system with reactivity controls3 Mar 2026US 12,567,509 B2Holtec International
- Methods for cold spraying nickel particles on a substrate17 Feb 2026US 12,551,922 B2NAC International, Inc.
- Storage device for nuclear fuel assemblies19 Aug 2025US 12,394,532 B2Orano Nuclear Packages and Services
- Fuel rack apparatus having storage tubes comprising interior flux trap chambers24 Jun 2025US 12,340,911 B2Holtec International
- Refuelling and/or storage neutron-absorbing rods17 Sep 2026US 2026/0279609 A1Rolls-Royce Smr Limited
- Alloy composition of titanium-gadolinium alloy with excellent neutron absorption ability and tensile properties and neutron absorbing structural material manufactured by using same30 Oct 2025US 2025/0333819 A1Korea Atomic Energy Research Institute
- Refueling Power Generator in Integrated Monopile System18 Sep 2025US 2025/0292919 A1Blue Energy Global Inc.
- Nuclear fuel decay heat utilization system18 Sep 2025US 2025/0292921 A1Holtec International
- Installation of Integrated Monopile System18 Sep 2025US 2025/0292922 A1Blue Energy Global Inc.
Most cited
By later US patents
- Neutron absorber articles64US 4,780,268 AWestinghouse Electric Corp. · 1988
- Spent fuel storage cask having continuous grid basket assembly44US 4,781,883 AWestinghouse Electric Corp. · 1988
- Fuel storage rack31US 4,039,842 ABrooks & Perkins, Incorporated · 1977
- Rack for storing spent nuclear fuel elements31US 4,096,392 ANuclear Services Corporation · 1978
- Spent fuel storage rack28US 5,245,641 AWestinghouse Electric Corp. · 1993