G21C 3/331
Comprising hold-down means
Official title: {Comprising hold-down means, e.g. springs}
G21C3/331 (Comprising hold-down means) appears on 45 US grants and 27 published applications in this corpus.
Search patents in G21C- Granted patents
- 45
- Published applications
- 27
- Assignees
- 22
- Inventors
- 85
- Latest grant
- 17 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 2 | 4 |
| 2014 | 1 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 3 |
| 2018 | 1 | 1 |
| 2019 | 3 | 4 |
| 2020 | 2 | 0 |
| 2021 | 1 | 1 |
| 2022 | 4 | 1 |
| 2023 | 0 | 3 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- BWR nuclear fuel assembly comprising an interaction device between a lower tie plate and a fuel channel17 Dec 2024US 12,170,152 B2Framatome
- Deforming a portion of a nut threaded on a guide tube end plug to lock the nut to a lower end fitting of a nuclear reactor fuel assembly4 Jun 2024US 12,002,593 B2BWXT mPower, Inc.
- Nuclear reactor fuel assembly18 Oct 2022US 11,476,009 B2Joint Stock Company “Experimental and Design Organization Gidropress” Awarded the Order of the Red
- Three dimensional printed precision magnets for fuel assembly6 Sep 2022US 11,437,155 B2Westinghouse Electric Corp.
- Lower end fitting locknut for nuclear fuel assembly19 Apr 2022US 11,309,093 B2BWXT mPower, Inc.
- Three dimensional printed precision magnets for fuel assembly20 Jul 2023US 2023/0230713 A1Westinghouse Electric Corp.
- Three dimensional printed precision magnets for fuel assembly20 Apr 2023US 2023/0122593 A1Westinghouse Electric Corp.
- Bwr nuclear fuel assembly comprising an interaction device between a lower tie plate and a fuel channel23 Mar 2023US 2023/0091913 A1Framatome
- Lower end fitting locknut for nuclear fuel assembly7 Jul 2022US 2022/0215973 A1BWXT mPower, Inc.
- Nuclear Reactor Fuel Assembly25 Nov 2021US 2021/0366623 A1Joint Stock Company "Experimental and Design Organization "Gidropress" Awarded the Order of
Most cited
By later US patents
- Nuclear fuel assembly58US 4,560,532 AWestinghouse Electric Corp. · 1985
- PWR Integral tie plate and locking mechanism37US 4,219,386 AExxon Nuclear Company, Inc. · 1980
- Spring element for holding down nuclear reactor fuel assembly27US 4,278,501 AKraftwerk Union Aktiengesellschaft · 1981
- Fuel assembly for a nuclear reactor26US 3,992,259 ACombustion Engineering, Inc. · 1976
- Fuel assembly for a nuclear reactor22US 4,030,975 ACombustion Engineering, Inc. · 1977