G21C 19/313
Using cold traps
Official title: using cold traps
G21C19/313 (Using cold traps) appears on 20 US grants and 4 published applications in this corpus.
Search patents in G21C- Granted patents
- 20
- Published applications
- 4
- Assignees
- 12
- Inventors
- 37
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 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 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
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.
- 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”
- Method of replacing cesium trap and cesium trap assembly thereof19 Oct 2021US 11,152,127 B2TerraPower, LLC
- Installation to regenerate cold traps loaded with the hydride and oxide of a liquid metal22 Sep 1992US 5,149,493 ACommissariat A L' Energie Atomique
- In-vessel natural circulation alkali metal reactor system, purification system, and associated methods14 Dec 2023US 2023/0402197 A1Oklo Inc.
- Method for replacing a cesium trap and cesium trap assembly thereof6 Jan 2022US 2022/0005621 A1TerraPower, LLC
- Cooling Method For Reactor Molten Core Melt And Cooling Control System For Reactor Molten Core18 Nov 2021US 2021/0358648 A1Joint-Stock Company “Atomenergoproekt”
- Method of replacing cesium trap and cesium trap assembly thereof2 Apr 2020US 2020/0105428 A1TerraPower, LLC
Most cited
By later US patents
- Removal of radioactive contamination from a nuclear reactor coolant18US 4,010,068 AWestinghouse Electric Corp. · 1977
- Cold trap for the purification of liquid metals containing dissolved impurities14US 4,892,653 ACommissariat A L' Energie Atomique · 1990
- Removal of impurities from coolant of a nuclear reactor11US 5,030,411 AWestinghouse Electric Corp. · 1991
- Method and apparatus for regenerating cold traps within liquid-metal systems8US 3,941,586 AThe United States of America as represented by the United States Energy Research and Development Administration · 1976
- Cold trap for eliminating impurities from a polluted liquid metal7US 4,693,088 ACommissariat A L' Energie Atomique · 1987