G21C 17/022
For monitoring liquid coolants or moderators
Official title: for monitoring liquid coolants or moderators
G21C17/022 (For monitoring liquid coolants or moderators) appears on 271 US grants and 236 published applications in this corpus.
Search patents in G21C- Granted patents
- 271
- Published applications
- 236
- Assignees
- 119
- Inventors
- 692
- 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 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 9 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 3 |
| 2002 | 7 | 8 |
| 2003 | 4 | 5 |
| 2004 | 2 | 3 |
| 2005 | 6 | 2 |
| 2006 | 1 | 6 |
| 2007 | 0 | 2 |
| 2008 | 2 | 6 |
| 2009 | 0 | 9 |
| 2010 | 2 | 12 |
| 2011 | 5 | 11 |
| 2012 | 7 | 15 |
| 2013 | 6 | 9 |
| 2014 | 17 | 15 |
| 2015 | 4 | 11 |
| 2016 | 9 | 17 |
| 2017 | 16 | 17 |
| 2018 | 8 | 7 |
| 2019 | 13 | 6 |
| 2020 | 8 | 17 |
| 2021 | 9 | 15 |
| 2022 | 9 | 12 |
| 2023 | 6 | 7 |
| 2024 | 10 | 11 |
| 2025 | 7 | 4 |
| 2026 | 4 | 6 |
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
- Method for treating a metal part of a primary circuit of a water-cooled nuclear reactor9 Jun 2026US 12,651,674 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Method for determining real-time thermal power of a nuclear reactor based on number of gamma rays counted19 May 2026US 12,633,426 B2Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Computer apparatus for monitoring and verifying nuclear and fossil power plant heat losses based on the revised NCV method19 May 2026US 12,633,427 B2Lang Family Trust
- Corrosion and wear resistant overlay, method for forming corrosion and wear resistant overlay, and corrosion and wear resistant valve23 Dec 2025US 12,502,727 B2Hitachi-GE Nuclear Energy, Ltd.
- Method and apparatus for measuring activity concentration in the primary circuit of the high temperature gas-cooled reactor30 Jul 2026US 2026/0221299 A1Tsinghua University
- Modular sodium pressure sensor for nuclear reactor23 Jul 2026US 2026/0213029 A1TerraPower, LLC
- Metal injection system using electrolysis of metal in a nuclear power plant2 Jul 2026US 2026/0188533 A1GE-Hitachi Nuclear Energy Americas LLC
- A method of adjusting oxoacidity14 May 2026US 2026/0135007 A1Seaborg Aps
- Computer apparatus for monitoring and verifying nuclear and fossil power plant heat losses based on the revised ncv method29 Jan 2026US 2026/0031247 A1Lang Family Trust
Most cited
By later US patents
- Process for decontaminating a nuclear reactor coolant system50US 5,305,360 AWestinghouse Electric Corp. · 1994
- Method for reducing corrosion of components exposed to high-temperature water47US 5,135,709 AGeneral Electric Company · 1992
- Operation life of on-life boiling water reactors34US 5,130,081 AGeneral Electric Company · 1992
- Dilution control in hardfacing severe service components33US 8,828,312 B2Kennametal Inc. · 2014
- Method of providing extended life expectancy for components of boiling water reactors30US 5,130,080 AGeneral Electric Company · 1992