G21C 19/31
For molten metals
Official title: for molten metals
G21C19/31 (For molten metals) appears on 34 US grants and 18 published applications in this corpus.
Search patents in G21C- Granted patents
- 34
- Published applications
- 18
- Assignees
- 18
- Inventors
- 68
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 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 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 5 |
| 2018 | 3 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- In-vessel natural circulation alkali metal reactor system, purification system, and associated methods6 Oct 2026US 12,755,855 B2Oklo Inc.
- Separation of fission products in a molten salt reactor via adsorbent frameworks11 Aug 2026US 12,706,225 B2Abilene Christian University
- Method for replacing a cesium trap and cesium trap assembly thereof12 Dec 2023US 11,842,819 B2TerraPower, LLC
- Cooling method for reactor molten core melt and cooling control system for reactor molten core18 Oct 2022US 11,476,010 B2Joint-Stock Company “Atomenergoproekt”
- Sodium-cesium vapor trap system and method22 Feb 2022US 11,257,600 B2TerraPower, LLC
- Separation of fission products in a molten salt reactor via adsorbent frameworks17 Sep 2026US 2026/0279607 A1Abilene Christian University
- Method and apparatus for controlling corrosion in a molten salt reactor18 Sep 2025US 2025/0292920 A1
- Separation of fission products in a molten salt reactor via adsorbent frameworks3 Apr 2025US 2025/0111957 A1Abilene Christian University
- Extraction of fission products from molten salt via redox reaction with reducting agents30 Jan 2025US 2025/0037889 A1Abilene Christian University
- Systems and methods for electrochemical extraction of reduced fission products from irradiated molten salt compositions19 Sep 2024US 2024/0312656 A1Abilene Christian University
Most cited
By later US patents
- Removal of radioactive contamination from a nuclear reactor coolant18US 4,010,068 AWestinghouse Electric Corp. · 1977
- Gas-liquid separator18US 4,733,852 ARockwell International Corporation · 1988
- Sodium cesium vapor trap system and method17US 10,636,532 B2TerraPower, LLC · 2020
- Cold trap for the purification of liquid metals containing dissolved impurities14US 4,892,653 ACommissariat A L' Energie Atomique · 1990
- Method for removing cesium from a nuclear reactor coolant12US 4,587,083 AThe United States of America as represented by the United States Department of Energy · 1986