G21C 15/20
Partitions or thermal insulation between fuel channel and moderator
G21C15/20 (Partitions or thermal insulation between fuel channel and moderator) appears on 9 US grants and 9 published applications in this corpus.
Search patents in G21C- Granted patents
- 9
- Published applications
- 9
- Assignees
- 7
- Inventors
- 33
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 0 | 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 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nuclear reactor unit and method for cooling nuclear reactor unit10 Feb 2026US 12,548,683 B2Mitsubishi Heavy Industries, Ltd.
- Systems and methods for reducing noncondensable gas buildup in coolant systems7 Oct 2025US 12,437,890 B2GE-Hitachi Nuclear Energy Americas LLC
- Passive containment cooling system for a nuclear reactor31 Jan 2023US 11,569,000 B2GE-Hitachi Nuclear Energy Americas LLC
- Passive containment cooling system for a nuclear reactor28 Jun 2022US 11,373,769 B2GE-Hitachi Nuclear Energy Americas LLC
- Passive reactor cavity cooling system29 Mar 2022US 11,289,220 B2Korea Atomic Energy Research Institute
- Systems and methods for reducing noncondensable gas buildup in coolant systems12 Feb 2026US 2026/0045379 A1GE-Hitachi Nuclear Energy Americas LLC
- Systems and methods for reducing noncondensable gas buildup in coolant systems7 Dec 2023US 2023/0395271 A1GE-Hitachi Nuclear Energy Americas LLC
- Nuclear reactor unit and method for cooling nuclear reactor unit9 Nov 2023US 2023/0360812 A1Mitsubishi Heavy Industries, Ltd.
- Passive containment cooling system for a nuclear reactor17 Nov 2022US 2022/0367076 A1GE-Hitachi Nuclear Energy Americas LLC
- Passive containment cooling system for a nuclear reactor24 Jun 2021US 2021/0193338 A1GE-Hitachi Nuclear Energy Americas LLC
Most cited
By later US patents
- Metal complexes of copolymers comprising vinylimidazole and their use in photographic elements12US 4,273,853 AEastman Kodak Company · 1981
- Passive containment cooling system for a nuclear reactor9US 11,373,769 B2GE-Hitachi Nuclear Energy Americas LLC · 2022
- Passive containment cooling system for a nuclear reactor9US 11,569,000 B2GE-Hitachi Nuclear Energy Americas LLC · 2023
- Pressure-tube reactor with pressurized moderator1US 9,773,572 B2Atomic Energy of Canada Limited · 2017