G21D 5/00
Arrangements of reactor and engine in which reactor-produced heat is converted into
Official title: Arrangements of reactor and engine in which reactor-produced heat is converted into mechanical energy
G21D5/00 (Arrangements of reactor and engine in which reactor-produced heat is converted into) appears on 225 US grants and 215 published applications in this corpus.
Search patents in G21D- Granted patents
- 225
- Published applications
- 215
- Assignees
- 126
- Inventors
- 498
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 3 |
| 2004 | 3 | 4 |
| 2005 | 4 | 2 |
| 2006 | 3 | 3 |
| 2007 | 1 | 6 |
| 2008 | 1 | 2 |
| 2009 | 4 | 3 |
| 2010 | 0 | 4 |
| 2011 | 2 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 5 |
| 2014 | 3 | 6 |
| 2015 | 5 | 10 |
| 2016 | 5 | 8 |
| 2017 | 4 | 3 |
| 2018 | 6 | 9 |
| 2019 | 7 | 8 |
| 2020 | 11 | 24 |
| 2021 | 12 | 10 |
| 2022 | 16 | 28 |
| 2023 | 11 | 24 |
| 2024 | 16 | 20 |
| 2025 | 20 | 15 |
| 2026 | 6 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compact passive decay heat removal system for transportable micro-reactor applications26 May 2026US 12,640,278 B2Westinghouse Electric Corp.
- Radioisotope power system for vehicle19 May 2026US 12,633,429 B2Standard Nuclear, Inc.
- Fuel bundle with twisted ribbon fuel rodlets for nuclear thermal propulsion applications, structures for manufacture, and methods of manufacture12 May 2026US 12,626,829 B2BWXT Advanced Technologies LLC
- Offshore and marine vessel-based nuclear reactor configuration, deployment and operation5 May 2026US 12,620,501 B2Energie propre Prodigy Ltee / Prodigy Clean Energy Ltd.
- Radiation shielding for compact and transportable nuclear power systems31 Mar 2026US 12,592,324 B2Loki Mmr Inc.
- Fuel bundle with twisted ribbon fuel rodlets for nuclear thermal propulsion applications, structures for manufacture, and methods of manufacture6 Aug 2026US 2026/0229376 A1BWXT Advanced Technologies LLC
- Hamr pebble reactor23 Jul 2026US 2026/0213027 A1Odin Electric, Inc.
- Gpu-accelerated digital twin system for real-time thermal-hydraulic simulation and control of space nuclear reactors16 Jul 2026US 2026/0204445 A1Hgp Intelligent Energy, LLC
- Radiation shielding for compact and transportable nuclear power systems2 Jul 2026US 2026/0188530 A1Loki Mmr Inc.
- Offshore and marine vessel-based nuclear reactor configuration, deployment and operation2 Jul 2026US 2026/0188534 A1Energie propre Prodigy Ltee / Prodigy Clean Energy Ltd.
Most cited
By later US patents
- System, method and apparatus for lean combustion with plasma from an electrical arc107US 8,074,439 B2Foret Plasma Labs, LLC · 2011
- Complex article tagging with maintenance related information77US 6,859,757 B2Sap SE · 2005
- Multi-megawatt pulsed inductive thruster47US 5,207,760 ATRW Inc. · 1993
- In orbit space transportation and recovery system43US 7,070,151 B2IOSTAR Corporation · 2006
- 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