G21C 3/352
Formed of assembled intersecting strips
Official title: formed of assembled intersecting strips
G21C3/352 (Formed of assembled intersecting strips) appears on 88 US grants and 61 published applications in this corpus.
Search patents in G21C- Granted patents
- 88
- Published applications
- 61
- Assignees
- 42
- Inventors
- 194
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 3 | 0 |
| 2004 | 2 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 4 |
| 2007 | 0 | 2 |
| 2008 | 1 | 5 |
| 2009 | 3 | 5 |
| 2010 | 3 | 7 |
| 2011 | 2 | 8 |
| 2012 | 3 | 2 |
| 2013 | 7 | 6 |
| 2014 | 5 | 9 |
| 2015 | 5 | 1 |
| 2016 | 2 | 2 |
| 2017 | 5 | 4 |
| 2018 | 4 | 0 |
| 2019 | 3 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nuclear fuel assembly with a reinforcement device28 Apr 2026US 12,614,642 B2Framatome
- Spacers with deflection-limited peripheral springs for nuclear fuel assemblies and methods of making the same2 Jun 2020US 10,672,521 B2Global Nuclear Fuel - Americas, LLC
- Heat exchanger tube spacing device (varinats)18 Feb 2020US 10,563,929 B2Joint Stock Company “Akme-Engineering”
- Spacer grid20 Aug 2019US 10,388,415 B2BWXT mPower, Inc.
- Holding fixture to assist in assembly of support grid for nuclear fuel rods and method for assembling support grid for nuclear fuel rods4 Jun 2019US 10,311,982 B2Westinghouse Electric Corp.
- Spacer grid of nuclear fuel assembly22 Jun 2023US 2023/0197297 A1Kepco Nuclear Fuel Co., Ltd.
- Nuclear Fuel Assembly with a Reinforcement Device13 Oct 2022US 2022/0328201 A1Framatome
- Heat Exchanger Tube Spacing Device (Varinats)9 Nov 2017US 2017/0321971 A1Joint Stock Company “Akme-Engineering”
- Holding fixture to assist in assembly of support grid for nuclear fuel rods and method for assembling support grid for nuclear fuel rods17 Aug 2017US 2017/0236603 A1Westinghouse Electric Corp.
- Spacer grid27 Jul 2017US 2017/0213605 A1BWXT Nuclear Energy, Inc.
Most cited
By later US patents
- Grid with nozzle-type coolant deflecting channels for use in nuclear reactor fuel assemblies51US 6,130,927 AKorea Electric Power Corporation · 2000
- Spacer grid with integral "side supported" flow directing vanes33US 5,440,599 ACombustion Engineering, Inc. · 1995
- Modified cross point spacer apparatus and construction30US 5,032,351 AGeneral Electric Company · 1991
- Hexagonal grid29US 5,367,549 ACombustion Engineering, Inc. · 1994
- Spacer grid with mixing vanes and nuclear fuel assembly employing the same29US 7,548,602 B2Westinghouse Electric Corp. · 2009