G21C 1/32
Integral reactors, i.e. reactors wherein parts functionally associated with the reactor but
Official title: Integral reactors, i.e. reactors wherein parts functionally associated with the reactor but not essential to the reaction, e.g. heat exchangers, are disposed inside the enclosure with the core (G21C1/02 - G21C1/30 take precedence)
G21C1/32 (Integral reactors, i.e. reactors wherein parts functionally associated with the reactor but) appears on 276 US grants and 316 published applications in this corpus.
Search patents in G21C- Granted patents
- 276
- Published applications
- 316
- Assignees
- 117
- Inventors
- 569
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 12 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 5 |
| 2010 | 0 | 6 |
| 2011 | 0 | 9 |
| 2012 | 2 | 13 |
| 2013 | 3 | 37 |
| 2014 | 9 | 21 |
| 2015 | 15 | 16 |
| 2016 | 17 | 23 |
| 2017 | 23 | 14 |
| 2018 | 25 | 22 |
| 2019 | 18 | 15 |
| 2020 | 28 | 14 |
| 2021 | 18 | 7 |
| 2022 | 14 | 28 |
| 2023 | 13 | 19 |
| 2024 | 14 | 21 |
| 2025 | 14 | 21 |
| 2026 | 11 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sulfur blanket6 Oct 2026US 12,755,853 B2Beam Alpha, Inc.
- Passive heat removal system for nuclear reactors14 Jul 2026US 12,683,034 B2TerraPower, LLC
- Stress relieving attachment of tube to tubesheet, such as in a pressure vessel shell of a nuclear reactor power system7 Jul 2026US 12,674,576 B2NuScale Power, LLC
- Integrated control logic device and operating method thereof to control water level of steam generator of nuclear power plant26 May 2026US 12,638,171 B2Kepco Engineering & Construction Company, Inc.
- Nuclear reactor-based systems, methods, and devices for energy production and carbon dioxide (CO2) capture12 May 2026US 12,623,903 B2NuScale Power, LLC
- Stress Relieving Attachment Of Tube To Tubesheet, Such As In A Pressure Vessel Shell Of A Nuclear Reactor Power System1 Oct 2026US 2026/0298464 A1NuScale Power, LLC
- A Modular Transportable Nuclear Power Plant24 Sep 2026US 2026/0285450 A1Energie propre Prodigy Ltee / Prodigy Clean Energy Ltd.
- Molten fuel reactor thermal management configurations24 Sep 2026US 2026/0290630 A1c/o TerraPower, LLC
- Malfunction prevention valve and nuclear equipment comprising same24 Sep 2026US 2026/0290634 A1Korea Atomic Energy Research Institute
- Bubble-enhanced natural convection reactor flow10 Sep 2026US 2026/0269095 A1
Most cited
By later US patents
- Modular nuclear reactor for a land-based power plant and method for the fabrication, installation and operation thereof68US 4,508,677 AGeneral Electric Company · 1985
- Nuclear boiler60US 4,039,377 ACommissariat A L' Energie Atomique · 1977
- Integral PWR with diverse emergency cooling and method of operating same59US 6,795,518 B1Polytechnic of Milan · 2004
- Industrial technique for an integral compact reactor49US 4,072,563 AThe Babcock & Wilcox Company · 1978
- Full pressure passive emergency core cooling and residual heat removal system for water cooled nuclear reactors47US 5,102,616 ARolls-Royce and Associates Limited · 1992