G21C 19/115
With latching devices and ball couplings
Official title: with latching devices and ball couplings
G21C19/115 (With latching devices and ball couplings) appears on 11 US grants and 6 published applications in this corpus.
Search patents in G21C- Granted patents
- 11
- Published applications
- 6
- Assignees
- 11
- Inventors
- 22
- Latest grant
- 29 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and device for unlatching control rod drive shafts in pressurized water reactors29 Mar 2022US 11,289,222 B2Framatome
- Gripping and locking/unlocking system, and application to the handling of nuclear materials specimen holders20 Sep 2016US 9,449,722 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Control rod drive shaft unlatching tool5 May 2015US 9,025,720 B2Westinghouse Electric Corp.
- Control rod blade unlatching tool2 Sep 2014US 8,824,618 B2GE-Hitachi Nuclear Energy Americas LLC
- Control rod transfer device3 Dec 2013US 8,599,988 B2Westinghouse Electric Corp.
- Control rod drive mechanism with drive shaft hold out mechanism12 Feb 2026US 2026/0045378 A1NuScale Power, LLC
- Method and device for unlatching control rod drive shafts in pressurized water reactors19 Sep 2019US 2019/0287690 A1Framatome
- Gripping and Locking/Unlocking System, and Application to the Handling of Nuclear Materials Specimen Holders5 Jun 2014US 2014/0153686 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- GEROCS Control Rod Blade Unlatching Tool10 May 2012US 2012/0114090 A1GE-Hitachi Nuclear Energy Americas LLC
- Control rod drive shaft unlatching tool8 Dec 2011US 2011/0299648 A1Westinghouse Electric Corp.
Most cited
By later US patents
- Gripping device for a lifting mechanism, especially in a core reactor for depositing and picking up fuel elements and control rods12US 3,936,089 AFried. Krupp Gesellschaft mit beschrankter Haftung · 1976
- Device for uncoupling a control rod from an absorbing element for a nuclear reactor11US 5,761,260 ACommissariat A L' Energie Atomique · 1998
- Safety grapple10US 4,666,200 ARemote Technology Corporation · 1987
- Control rod drive shaft unlatching tool5US 9,025,720 B2Westinghouse Electric Corp. · 2015
- Control rod transfer device4US 8,599,988 B2Westinghouse Electric Corp. · 2013