G21C 17/025
For monitoring liquid metal coolants
Official title: for monitoring liquid metal coolants {(molten metal sampling in general G01N1/125)}
G21C17/025 (For monitoring liquid metal coolants) appears on 27 US grants and 15 published applications in this corpus.
Search patents in G21C- Granted patents
- 27
- Published applications
- 15
- Assignees
- 22
- Inventors
- 81
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 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 | 2 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System including a bypass pipe that routes some sodium coolant from a primary pump discharge upward to sodium measuring instruments located near a nuclear reactor head25 Aug 2026US 12,718,961 B2TerraPower, LLC
- Oxygen potentiometric probe, for the measurement of the oxygen concentration of a liquid metal, application to the measurement of oxygen in liquid sodium of a nuclear reactor of type RNR-Na4 Mar 2025US 12,241,858 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Identifying and quantifying components in a high-melting-point liquid19 Mar 2024US 11,931,763 B2Abilene Christian University
- Methods of constructing nuclear power plants with geothermal passive cooling25 Oct 2022US 11,482,345 B2GE-Hitachi Nuclear Energy Americas LLC
- Method and device for control of oxygen concentration in a nuclear reactor plant26 Jan 2021US 10,902,959 B2Joint Stock Company “Akme-Engineering”
- Dilute radionuclide concentration enhancement through distillation1 Jan 2026US 2026/0004943 A1TerraPower, LLC
- Primary sodium pump bypass instrumentation modules8 Aug 2024US 2024/0266084 A1TerraPower, LLC
- Identiffying and quantifying components in a high-melting-point liquid25 Jul 2024US 2024/0246099 A1Abilene Christian University
- Ultrasonic monitoring system of the nuclear reactor above core space6 Jan 2022US 2022/0005620 A1
- Oxygen potentiometric probe, for the measurement of the oxygen concentration of a liquid metal, application to the measurement of oxygen in liquid sodium of a nuclear reactor of type rnr-na23 Dec 2021US 2021/0396707 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
Most cited
By later US patents
- Reactor in-vessel sensor and core monitoring apparatus26US 4,622,202 AHitachi, Ltd. · 1986
- Sensors14US 3,987,362 AUnited Kingdom Atomic Energy Authority · 1976
- Device for taking samples of molten metals flowing in pipes13US 3,968,695 AInteratom, Internationale Atomreaktorbau GmbH · 1976
- Methods of constructing nuclear power plants with geothermal passive cooling10US 11,482,345 B2GE-Hitachi Nuclear Energy Americas LLC · 2022
- Sodium-cesium ionization detector10US 9,921,184 B2TerraPower, LLC · 2018