G21C 7/113
Control elements made of flat elements
Official title: Control elements made of flat elements; Control elements having cruciform cross-section
G21C7/113 (Control elements made of flat elements) appears on 80 US grants and 32 published applications in this corpus.
Search patents in G21C- Granted patents
- 80
- Published applications
- 32
- Assignees
- 24
- Inventors
- 198
- Latest grant
- 29 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 4 |
| 2003 | 4 | 1 |
| 2004 | 2 | 4 |
| 2005 | 3 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 3 |
| 2011 | 0 | 3 |
| 2012 | 4 | 2 |
| 2013 | 1 | 4 |
| 2014 | 5 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sheet based, in-bundle reactivity control device for storage of spent nuclear fuel29 Oct 2024US 12,131,831 B2Curtiss-Wright Flow Control Corporation
- Fuel assembly14 Jan 2020US 10,535,435 B2Hitachi, Ltd.
- Nuclear reactor with screw-nut drive of core reactivity control members25 Dec 2018US 10,163,530 B2Societe Technique Pour L'energie Atomique
- Nuclear reactor control rod with SIC fiber reinforced structure13 Feb 2018US 9,892,804 B2Kabushiki Kaisha Toshiba
- Control rod8 Nov 2016US 9,490,036 B2Westinghouse Electric Sweden AB
- Sheet based, in-bundle reactivity control device for storage of spent nuclear fuel14 Apr 2022US 2022/0115153 A1Curtiss-Wright Flow Control Corporation
- Nuclear reactor with screw-nut drive of core reactivity control members9 Aug 2018US 2018/0226161 A1Societe Technique Pour L'energie Atomique
- Fuel Assembly23 Nov 2017US 2017/0337993 A1Hitachi, Ltd.
- Nuclear reactor control rod and manufacturing method thereof17 Sep 2015US 2015/0262719 A1Kabushiki Kaisha Toshiba
- Control rod for nuclear reactor and method of manufacturing control rod10 Apr 2014US 2014/0098925 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Control cell nuclear reactor core49US 4,285,769 AGeneral Electric Company · 1981
- Reactor core and method for operating nuclear reactor36US 6,925,138 B2Kabushiki Kaisha Toshiba · 2005
- Core-control assembly with a fixed fuel support34US 5,241,570 AGeneral Electric Company · 1993
- Core configuration for a nuclear reactor28US 6,934,350 B1General Electric Company · 2005
- Reactor core for a light water cooled reactor, fuel assembly and control rod24US 5,812,621 AHitachi, Ltd. · 1998