G21C 1/08
Moderator being highly pressurised
Official title: moderator being highly pressurised, e.g. boiling water reactor, integral super-heat reactor, pressurised water reactor (G21C1/22 takes precedence)
G21C1/08 (Moderator being highly pressurised) appears on 322 US grants and 204 published applications in this corpus.
Search patents in G21C- Granted patents
- 322
- Published applications
- 204
- Assignees
- 103
- Inventors
- 711
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 2 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 9 | 0 |
| 1992 | 30 | 0 |
| 1993 | 16 | 0 |
| 1994 | 5 | 0 |
| 1995 | 11 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 4 |
| 2003 | 4 | 3 |
| 2004 | 3 | 4 |
| 2005 | 4 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 10 |
| 2008 | 3 | 4 |
| 2009 | 1 | 8 |
| 2010 | 4 | 6 |
| 2011 | 6 | 9 |
| 2012 | 1 | 10 |
| 2013 | 7 | 15 |
| 2014 | 7 | 8 |
| 2015 | 9 | 16 |
| 2016 | 13 | 14 |
| 2017 | 13 | 10 |
| 2018 | 12 | 12 |
| 2019 | 8 | 8 |
| 2020 | 13 | 14 |
| 2021 | 9 | 11 |
| 2022 | 11 | 12 |
| 2023 | 8 | 5 |
| 2024 | 13 | 6 |
| 2025 | 2 | 7 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nuclear reactor core architecture with moderator elements inside insulator elements7 Oct 2025US 12,437,888 B2Loki Mmr Inc.
- Automatic shutdown controller for nuclear reactor system with control drums29 Jul 2025US 12,374,468 B2Loki Mmr Inc.
- Single-loop nuclear power plant with pressurized coolant31 Dec 2024US 12,183,471 B2Joint-Stock Company “Atomenergoproekt”
- Systems and methods for steam separator tie bar repair or replacement31 Dec 2024US 12,183,472 B2GE-Hitachi Nuclear Energy Americas LLC
- Control rods for light water reactors31 Dec 2024US 12,183,474 B2Westinghouse Electric Corp.
- Fuel assemblies for reactor systems16 Jul 2026US 2026/0204441 A1BAE SYSTEMS plc
- Nuclear reactor system with lift-out core assembly30 Apr 2026US 2026/0120900 A1Radiant Industries, Incorporated
- Hybrid power generation system30 Apr 2026US 2026/0121573 A1Holtec International
- Nuclear reactor core architecture with enhanced heat transfer and safety9 Apr 2026US 2026/0100291 A1Loki Mmr Inc.
- Method and apparatus for determining rod position of control rod of pressurized water reactor, and rod position measurement system13 Nov 2025US 2025/0349445 A1Cnnp Nuclear Power Operations Management Co., Ltd.
Most cited
By later US patents
- Destruction of plutonium47US 5,513,226 AGeneral Atomics · 1996
- Boiling water reactor nuclear power plant and its construction method46US 6,810,099 B2Kabushiki Kaisha Toshiba · 2004
- Miniaturized nuclear reactor utilizing improved pressure tube structural members44US 5,640,434 A1997
- Nuclear reactor for breeding U.sup.23343US 3,960,655 AThe United States of America as represented by the United States Energy Research and Development Administration · 1976
- Shroud repair clamp43US 5,392,322 AGeneral Electric Company · 1995