G21C 15/26
By convection
Official title: by convection, e.g. using chimneys, using divergent channels
G21C15/26 (By convection) appears on 92 US grants and 109 published applications in this corpus.
Search patents in G21C- Granted patents
- 92
- Published applications
- 109
- Assignees
- 40
- Inventors
- 202
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 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 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 3 | 8 |
| 2014 | 6 | 5 |
| 2015 | 3 | 10 |
| 2016 | 4 | 7 |
| 2017 | 10 | 6 |
| 2018 | 7 | 6 |
| 2019 | 4 | 7 |
| 2020 | 10 | 8 |
| 2021 | 4 | 9 |
| 2022 | 8 | 7 |
| 2023 | 4 | 6 |
| 2024 | 5 | 10 |
| 2025 | 9 | 3 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- In-vessel natural circulation alkali metal reactor system, purification system, and associated methods6 Oct 2026US 12,755,855 B2Oklo Inc.
- Nuclear reactor and method for control thereof22 Sep 2026US 12,744,130 B2
- Liquid metal cooled nuclear reactor comprising a passive decay heat removal system having thermal insulation attached to a wall of a cold source reservoir that holds a phase change material, where the insulation is arranged to automatically fall by gravity from the wall in response to the wall reaching a predetermined temperature31 Mar 2026US 12,592,325 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Molten fuel reactor thermal management configurations24 Feb 2026US 12,562,287 B2TerraPower, LLC
- Passive techniques for long-term reactor cooling20 Jan 2026US 12,531,165 B2BWXT mPower, Inc.
- Molten fuel reactor thermal management configurations24 Sep 2026US 2026/0290630 A1c/o TerraPower, LLC
- Curvilinear electromagnetic pump30 Apr 2026US 2026/0121503 A1TerraPower, LLC
- Passive buoyancy driven fluid system19 Feb 2026US 2026/0051414 A1Georgia Tech Research Corporation
- Passive buoyancy driven fluid system19 Feb 2026US 2026/0051415 A1Georgia Tech Research Corporation
- System & method for 3-d printing a nuclear reactor12 Feb 2026US 2026/0045376 A1Last Energy Inc.
Most cited
By later US patents
- Passive containment cooling system52US 5,049,353 AWestinghouse Electric Corp. · 1991
- Emergency core cooling system28US 4,367,194 AThe United States of America as represented by the United States Department of Energy · 1983
- Passive emergency feedwater system27US 8,170,173 B2State of Oregon acting by and through the State Board of Higher Education on behalf of Oregon State University · 2012
- Passive emergency feedwater system23US 8,731,130 B2State of Oregon acting by and through the State Board of Higher Education on behalf of Oregon State University · 2014
- Forced-circulation reactor with fluidic-diode-enhanced natural circulation21US 5,303,275 AGeneral Electric Company · 1994