G21D 3/06
Responsive to faults within the plant
Official title: responsive to faults within the plant (in the reactor G21C9/00)
G21D3/06 (Responsive to faults within the plant) appears on 98 US grants and 125 published applications in this corpus.
Search patents in G21D- Granted patents
- 98
- Published applications
- 125
- Assignees
- 59
- Inventors
- 315
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 7 |
| 2013 | 2 | 11 |
| 2014 | 2 | 13 |
| 2015 | 2 | 11 |
| 2016 | 6 | 11 |
| 2017 | 12 | 5 |
| 2018 | 10 | 16 |
| 2019 | 10 | 6 |
| 2020 | 11 | 8 |
| 2021 | 8 | 7 |
| 2022 | 4 | 1 |
| 2023 | 4 | 8 |
| 2024 | 1 | 3 |
| 2025 | 3 | 3 |
| 2026 | 0 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control switching device21 Oct 2025US 12,451,262 B2Mitsubishi Electric Corporation
- Nuclear reactor protection systems and methods29 Jul 2025US 12,374,467 B2NuScale Power, LLC
- Nuclear power plant22 Apr 2025US 12,283,384 B2
- Method of operating a nuclear power plant16 Jan 2024US 11,875,906 B2Terrestrial Energy Inc.
- Steam generator accident mitigation system21 Nov 2023US 11,823,804 B2Korea Atomic Energy Research Institute
- Nuclear reactor protection systems and methods1 Oct 2026US 2026/0301980 A1NuScale Power, LLC
- Valve set for safety of nuclear power plant, pressure relief valve set, discharge valve set, and isolation valve27 Aug 2026US 2026/0253755 A1China Nuclear Power Engineering Co., Ltd.
- Containment vacuum breaker13 Aug 2026US 2026/0237532 A1NuScale Power, LLC
- Plant control system23 Jul 2026US 2026/0213030 A1Mitsubishi Electric Corporation
- Nuclear power plant18 Jun 2026US 2026/0171274 A1
Most cited
By later US patents
- Method and apparatus for automatic abnormal events monitor in operating plants243US 4,060,716 ARockwell International Corporation · 1977
- Complex article tagging with maintenance related information77US 6,859,757 B2Sap SE · 2005
- Safety monitoring and reactor transient interpreter34US 4,421,716 AS. Levy, Inc. · 1983
- Power supply with nuclear reactor27US 4,434,132 AWestinghouse Electric Corp. · 1984
- Self-test subsystem for nuclear reactor protection system18US 4,517,154 AGeneral Electric Company · 1985