B64G 1/408
Nuclear spacecraft propulsion
Official title: {Nuclear spacecraft propulsion}
B64G1/408 (Nuclear spacecraft propulsion) appears on 69 US grants and 95 published applications in this corpus.
Search patents in B64G- Granted patents
- 69
- Published applications
- 95
- Assignees
- 27
- Inventors
- 116
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 2 | 6 |
| 2008 | 1 | 3 |
| 2009 | 7 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 4 | 5 |
| 2016 | 2 | 1 |
| 2017 | 3 | 3 |
| 2018 | 4 | 8 |
| 2019 | 7 | 5 |
| 2020 | 5 | 12 |
| 2021 | 4 | 6 |
| 2022 | 3 | 10 |
| 2023 | 5 | 10 |
| 2024 | 8 | 9 |
| 2025 | 7 | 5 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Carbide-based fuel assembly for thermal propulsion applications20 Jan 2026US 12,531,166 B2BWXT Nuclear Energy, Inc.
- Adjusting wait time between burn cycles or merging burn cycles28 Oct 2025US 12,456,557 B2Standard Nuclear, Inc.
- Control drum controller for nuclear reactor system7 Oct 2025US 12,437,887 B2Standard Nuclear, 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
- 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
- Ordered particle fuel4 Jun 2026US 2026/0155265 A1Standard Nuclear, Inc.
- Radial in-flow particle bed nuclear rocket engine and method30 Apr 2026US 2026/0117726 A1Dark Fission Space Systems Inc.
- Mandrel-wound, eccentric monolithic fuel assembly core, fuel assembly and reactor incorporating same, and methods of manufacture3 Jul 2025US 2025/0218611 A1BWXT Advanced Technologies LLC
Most cited
By later US patents
- In orbit space transportation and recovery system37US 7,216,833 B2IOSTAR Corporation · 2007
- Orbit space transportation and recovery system37US 7,216,834 B2IOSTAR Corporation · 2007
- Orbit space transportation and recovery system28US 7,575,199 B2IOSTAR Corporation · 2009
- Laser-powered propulsion system28US 9,068,562 B1The Boeing Company · 2015
- In orbit space transportation and recovery system27US 7,624,950 B2IOSTAR Corporation · 2009