G21C 3/3206
Means associated with the fuel bundle for filtering the coolant
Official title: {Means associated with the fuel bundle for filtering the coolant, e.g. nozzles, grids}
G21C3/3206 (Means associated with the fuel bundle for filtering the coolant) appears on 102 US grants and 65 published applications in this corpus.
Search patents in G21C- Granted patents
- 102
- Published applications
- 65
- Assignees
- 39
- Inventors
- 216
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 9 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 4 |
| 2004 | 1 | 4 |
| 2005 | 4 | 3 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 5 |
| 2010 | 2 | 3 |
| 2011 | 1 | 5 |
| 2012 | 1 | 4 |
| 2013 | 4 | 5 |
| 2014 | 5 | 3 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 4 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 3 |
| 2020 | 1 | 4 |
| 2021 | 4 | 1 |
| 2022 | 2 | 7 |
| 2023 | 1 | 0 |
| 2024 | 3 | 3 |
| 2025 | 2 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Debris filtering arrangement for nuclear fuel assembly bottom nozzle and bottom nozzle including same14 Jul 2026US 12,683,033 B2Westinghouse Electric Corp.
- Process for aiding the detection of migrating bodies within a fuel assembly24 Feb 2026US 12,562,290 B2Electricite de France
- Bottom nozzle with internal debris filter20 Jan 2026US 12,531,164 B2Westinghouse Electric Corp.
- Debris filter for a nuclear fuel assembly bottom end part and method of manufacturing such a debris filter9 Sep 2025US 12,412,673 B2Framatome
- Fuel assembly arrangement for retaining fuel rod end plug to bottom nozzle27 May 2025US 12,315,646 B2Westinghouse Electric Corp.
- Bottom nozzle with internal debris filter28 May 2026US 2026/0148868 A1Westinghouse Electric Corp.
- A filter and a fuel assembly for a nuclear plant12 Mar 2026US 2026/0074081 A1Westinghouse Electric Sweden AB
- Device for trapping debris in a nuclear fuel assembly19 Jun 2025US 2025/0201429 A1Joint-Stock Company "Tvel" (Jsc Tvel)
- A filter for separating particles from a cooling liquid in a nuclear power plant, a filter arrangement and a fuel assembly22 May 2025US 2025/0166857 A1Westinghouse Electric Sweden AB
- Debris filtering arrangement for nuclear fuel assembly bottom nozzle and bottom nozzle including same19 Sep 2024US 2024/0312646 A1Westinghouse Electric Corp.
Most cited
By later US patents
- Lower tie plate cast frame59US 5,282,231 ASiemens Power Corporation · 1994
- Lower tie plate strainers having double plate with offset holes for boiling water reactors58US 5,345,483 AGeneral Electric Company · 1994
- Fuel assembly bottom nozzle with integral debris trap56US 4,684,495 AWestinghouse Electric Corp. · 1987
- Nuclear fuel assembly debris filter bottom nozzle49US 4,900,507 AWestinghouse Electric Corp. · 1990
- Enhanced debris filter bottom nozzle for a nuclear fuel assembly49US 5,024,806 AWestinghouse Electric Corp. · 1991