G21C 7/10
Construction of control elements
G21C7/10 (Construction of control elements) appears on 332 US grants and 204 published applications in this corpus.
Search patents in G21C- Granted patents
- 332
- Published applications
- 204
- Assignees
- 113
- Inventors
- 767
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 1 | 0 |
| 1986 | 9 | 0 |
| 1987 | 25 | 0 |
| 1988 | 11 | 0 |
| 1989 | 22 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 9 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 10 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 1 |
| 2002 | 3 | 6 |
| 2003 | 7 | 1 |
| 2004 | 3 | 4 |
| 2005 | 4 | 4 |
| 2006 | 1 | 5 |
| 2007 | 0 | 4 |
| 2008 | 4 | 3 |
| 2009 | 1 | 7 |
| 2010 | 1 | 11 |
| 2011 | 3 | 14 |
| 2012 | 8 | 15 |
| 2013 | 10 | 21 |
| 2014 | 12 | 7 |
| 2015 | 4 | 8 |
| 2016 | 11 | 10 |
| 2017 | 10 | 4 |
| 2018 | 8 | 9 |
| 2019 | 10 | 6 |
| 2020 | 7 | 8 |
| 2021 | 6 | 10 |
| 2022 | 9 | 13 |
| 2023 | 14 | 11 |
| 2024 | 7 | 5 |
| 2025 | 6 | 9 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for measuring drop time of a control rod cluster integrated with a rod position measurement device7 Jul 2026US 12,676,247 B2Nuclear Power Operations Research Institute (Npri)
- Microreactor with control neutron absorber assembly including a control neutron absorber rod30 Jun 2026US 12,671,004 B2Battelle Energy Alliance, LLC
- Control rod remote holdout mechanism30 Dec 2025US 12,512,228 B2BWXT Advanced Technologies LLC
- Control rod remote disconnect mechanism7 Oct 2025US 12,437,886 B2BWXT Advanced Technologies LLC
- Arrangement for checking disengagement between a nuclear reactor control cluster and a drive rod17 Jun 2025US 12,334,229 B2Societe Technique Pour L'energie Atomique
- Molten salt reactor and molten salt reactor system17 Sep 2026US 2026/0279605 A1Iucf-Hyu (Industry-University Cooperation Foundation Hanyang
- Hamr pebble reactor23 Jul 2026US 2026/0213027 A1Odin Electric, Inc.
- Control rod remote disconnect mechanism11 Jun 2026US 2026/0162838 A1BWXT Advanced Technologies LLC
- Control rod fixing mechanism for control rod assembly using bolted tight fit4 Jun 2026US 2026/0155266 A1Kepco Nuclear Fuel Co., Ltd.
- Control rod assembly with enhanced control rod worth21 May 2026US 2026/0142043 A1Kepco Nuclear Fuel Co., Ltd.
Most cited
By later US patents
- Control cell nuclear reactor core49US 4,285,769 AGeneral Electric Company · 1981
- Reactor core41US 6,088,420 AKabushiki Kaisha Toshiba · 2000
- Control rod for nuclear reactor39US 6,636,580 B2Mitsubishi Heavy Industries, Ltd. · 2003
- Hybrid nuclear reactor grey rod to obtain required reactivity worth36US 5,064,607 AWestinghouse Electric Corp. · 1991
- Reactor core and method for operating nuclear reactor36US 6,925,138 B2Kabushiki Kaisha Toshiba · 2005