G21C 3/10
End closures
Official title: End closures {; Means for tight mounting therefor}
G21C3/10 (End closures) appears on 99 US grants and 64 published applications in this corpus.
Search patents in G21C- Granted patents
- 99
- Published applications
- 64
- Assignees
- 53
- Inventors
- 237
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 9 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 5 |
| 2014 | 3 | 5 |
| 2015 | 0 | 2 |
| 2016 | 3 | 2 |
| 2017 | 5 | 9 |
| 2018 | 3 | 5 |
| 2019 | 7 | 7 |
| 2020 | 8 | 6 |
| 2021 | 3 | 3 |
| 2022 | 2 | 4 |
| 2023 | 1 | 4 |
| 2024 | 2 | 4 |
| 2025 | 4 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nuclear fuel rod and manufacturing method23 Jun 2026US 12,665,097 B2Framatome
- Micro-reactor fuel sleeve assembly10 Mar 2026US 12,573,509 B2Westinghouse Electric Corp.
- Method and system for closing a receptacle3 Feb 2026US 12,539,991 B2
- Method of manufacturing a nuclear fuel element end plug which contains ß-SiC, Al2O3, and Y2O325 Nov 2025US 12,482,575 B2Bochvar High-Technology Research Institute for Inorganic Materials
- Container and method for closing an opening of container21 Oct 2025US 12,448,173 B2Kabushiki Kaisha Toshiba
- Fuel Assembly24 Sep 2026US 2026/0290631 A1Hitachi, Ltd.
- Method and system for closing a receptacle14 May 2026US 2026/0131921 A1
- Method for closing an orifice of a silicon carbide-based container8 May 2025US 2025/0145540 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Plate-shaped nuclear fuel element and method of manufacturing the same5 Dec 2024US 2024/0404714 A1Framatome
- Micro-Reactor Fuel Sleeve Assembly8 Aug 2024US 2024/0266078 A1Westinghouse Electric Corp.
Most cited
By later US patents
- Fuel rod end plug welding method43US 5,158,740 AWestinghouse Electric Corp. · 1992
- Low pressure drop easy load end cap33US 5,282,233 ACombustion Engineering, Inc. · 1994
- Controlling fuel assembly stability in a boiling water reactor22US 4,770,843 AWestinghouse Electric Corp. · 1988
- Apparatus for assembling and welding end plugs to nuclear fuel cladding tubes and inspecting the end plug welds on an automated basis18US 4,857,260 AGeneral Electric Company · 1989
- Weld shape control system for TIG welding of small pressurization hole18US 5,448,034 AGeneral Electric Company · 1995