G21D 5/04
Reactor and engine not structurally combined
G21D5/04 (Reactor and engine not structurally combined) appears on 103 US grants and 74 published applications in this corpus.
Search patents in G21D- Granted patents
- 103
- Published applications
- 74
- Assignees
- 73
- Inventors
- 255
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 4 |
| 2015 | 3 | 4 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 2 | 4 |
| 2019 | 2 | 5 |
| 2020 | 9 | 11 |
| 2021 | 4 | 2 |
| 2022 | 6 | 8 |
| 2023 | 3 | 4 |
| 2024 | 2 | 4 |
| 2025 | 6 | 4 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hybrid power generation system30 Sep 2025US 12,429,036 B2Holtec International
- Nuclear reactor for heat and power generation30 Sep 2025US 12,431,249 B2Oklo Inc.
- Method for operating nuclear reactor for heat and power generation30 Sep 2025US 12,431,250 B2Oklo Inc.
- Apparatus and method of removing foreign substances from steam generator1 Jul 2025US 12,345,412 B2Doosan Enerbility Co., Ltd.
- Energy production devices and associated components, and related heat transfer devices and methods13 May 2025US 12,300,397 B2Battelle Energy Alliance, LLC
- Electronuclear cogeneration plant with light water reactor and system for capturing atmospheric co2 or for desalinating sea water without drawing liquid water therefrom or releasing same into the environment25 Jun 2026US 2026/0177327 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- System and method for lunar and planetary nuclear reactor25 Sep 2025US 2025/0299842 A1
- Mobile heat pipe cooled fast reactor system3 Jul 2025US 2025/0218613 A1Triad National Security, LLC
- Hybrid power generation system9 Jan 2025US 2025/0012260 A1Holtec International
- Nuclear cogeneration plant having a reactor with an indirect thermodynamic cycle without extraction or discharge of liquid water from/to the environment2 Jan 2025US 2025/0006392 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
Most cited
By later US patents
- Method and apparatus for thermal power generation41US 4,164,849 AThe United States of America as represented by the United States Department of Energy · 1979
- Start-up control system and vessel for LMFBR31US 4,674,285 AThe Babcock & Wilcox Company · 1987
- Bi-level reactor including steam separators30US 5,202,084 AGeneral Electric Company · 1993
- Process and apparatus for superheating partly expanded steam28US 3,979,914 ASulzer Brothers Limited · 1976
- Method and apparatus for improving the performance of a steam driven power system by steam mixing28US 5,793,831 ABattelle Memorial Institute · 1998