F03H 1/0093
Electro-thermal plasma thrusters, i.e. thrusters heating the particles in a plasma
Official title: {Electro-thermal plasma thrusters, i.e. thrusters heating the particles in a plasma (resistojets per se B64G1/415)}
F03H1/0093 (Electro-thermal plasma thrusters, i.e. thrusters heating the particles in a plasma) appears on 45 US grants and 47 published applications in this corpus.
Search patents in F03H- Granted patents
- 45
- Published applications
- 47
- Assignees
- 35
- Inventors
- 117
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 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 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
| 2014 | 1 | 4 |
| 2015 | 0 | 5 |
| 2016 | 5 | 3 |
| 2017 | 2 | 0 |
| 2018 | 2 | 3 |
| 2019 | 2 | 4 |
| 2020 | 3 | 4 |
| 2021 | 4 | 3 |
| 2022 | 5 | 4 |
| 2023 | 2 | 3 |
| 2024 | 3 | 3 |
| 2025 | 5 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Targeted-current-density hall thruster14 Apr 2026US 12,601,330 B1The Regents of the University of Michigan
- Air-breathing plasma thruster25 Nov 2025US 12,479,604 B2U. S. Department of Energy
- Air-breathing plasma thruster10 Jun 2025US 12,325,537 B2U. S. Department of Energy
- Electrothermal subassembly of steam thruster for nanosatellites3 Jun 2025US 12,320,340 B1Steamjet Space Systems, Ltd.
- Electrically powered supersonic and hypersonic propulsor29 Apr 2025US 12,286,942 B2iLight, LLC
- System and method for increasing the kinetic energy of a directional plasma flow10 Sep 2026US 2026/0266271 A1
- Reactionless space drive by increasing the kinetic energy of a directional plasma flow with magnetohydrodynamic flow arresting23 Jul 2026US 2026/0208883 A1
- Air-Breathing Plasma Thruster7 Aug 2025US 2025/0250032 A1United States Department of Energy
- Air-Breathing Plasma Thruster3 Apr 2025US 2025/0108939 A1United States Department of Energy
- Electrically Powered Supersonic and Hypersonic Propulsor23 May 2024US 2024/0167418 A1iLight, LLC
Most cited
By later US patents
- More efficient RF plasma electric thruster36US 6,293,090 B1New England Space Works, Inc. · 2001
- Arcjet thruster with improved arc attachment for enhancement of efficiency31US 4,882,465 AOlin Corporation · 1989
- Variable specific impulse magnetoplasma rocket engine22US 6,334,302 B12002
- Microwave electro-thermal thruster and fuel therefor17US 5,956,938 AResearch Support Instruments, Inc. · 1999
- Compact coupling for microwave-electro-thermal thruster16US 6,205,769 B12001