G21B 1/15
Particle injectors for producing thermonuclear fusion reactions
Official title: Particle injectors for producing thermonuclear fusion reactions, e.g. pellet injectors
G21B1/15 (Particle injectors for producing thermonuclear fusion reactions) appears on 65 US grants and 109 published applications in this corpus.
Search patents in G21B- Granted patents
- 65
- Published applications
- 109
- Assignees
- 40
- Inventors
- 188
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 5 |
| 2013 | 2 | 2 |
| 2014 | 0 | 3 |
| 2015 | 1 | 7 |
| 2016 | 5 | 4 |
| 2017 | 2 | 4 |
| 2018 | 3 | 5 |
| 2019 | 6 | 10 |
| 2020 | 3 | 7 |
| 2021 | 4 | 5 |
| 2022 | 6 | 6 |
| 2023 | 3 | 6 |
| 2024 | 3 | 6 |
| 2025 | 4 | 8 |
| 2026 | 7 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Direct laser fusion system15 Sep 2026US 12,738,384 B2Blue Laser Fusion, Inc.
- System and methods for forming and maintaining high energy and temperature FRC plasma via neutral beam injection25 Aug 2026US 12,720,663 B2Tae Technologies, Inc.
- Solid conveyance with single phase change method for cryogenic extrusion recirculation7 Jul 2026US 12,674,548 B1UT-Battelle, LLC
- Method of converging plasma pistons23 Jun 2026US 12,665,096 B2University of New Hampshire
- Method for controlling plasma edge fuel particle backflow by powder feedback injection16 Jun 2026US 12,658,329 B2Hefei Institutes of Physical Sciences, Chinese Academy of Sciences
- Fusion System that Includes a Toroidal Interior Chamber Formed by a Clamshell, the Toroidal Interior Chamber having an Interior Surface having a Rifled Geometric Shape and a Conductive Ring that is Between an Inner Perimeter of Sections of the Clamshell, Putting the Sections in Electrical Contact with each other24 Sep 2026US 2026/0290627 A1Kepler Fusion Technologies Inc.
- Fusion confinement device that forms a toroidal interior chamber having a rifling and an electronic controller electrically coupled to the fusion confinement device that is operable to control a plurality of pulses of electrical energy to the rifling24 Sep 2026US 2026/0290628 A1Kepler Fusion Technologies Inc.
- Direct laser fusion system6 Aug 2026US 2026/0229373 A1Blue Laser Fusion, Inc.
- Systems, Methods and Apparatus of an Experimental Nuclear Fusion Reactor having a Hollow Toroidal Interior Chamber with a Rifled Interior Surface that is Operable to Form an Electromagnetic Foil Along a Ridge of the Rifled Interior Surface16 Jul 2026US 2026/0204435 A1
- Systems, Methods And Apparatus of an Experimental Fusion System that has a Housing Having a Hollow Toroidal Interior Chamber that Includes an Interior Surface of The Chamber Wherein the Interior Surface Having Rifling that Forms an Electromagnetic Foil Along a Ridge of the Rifling When an Electrical Power Is Applied to The Housing16 Jul 2026US 2026/0204436 A1
Most cited
By later US patents
- Operationally confined nuclear fusion system80US 4,189,346 A1980
- Recyclotron III, a recirculating plasma fusion system76US 4,639,348 A1987
- Method of producing fusion reactions and apparatus for a fusion reactor76US 4,853,173 A1989
- Directed beam fusion reaction with ion spin alignment75US 4,390,494 AEnergy Profiles, Inc. · 1983
- Beam fusion device and method67US 4,894,199 A1990