G21B 1/055
Stellarators
Official title: {Stellarators}
G21B1/055 (Stellarators) appears on 13 US grants and 42 published applications in this corpus.
Search patents in G21B- Granted patents
- 13
- Published applications
- 42
- Assignees
- 9
- Inventors
- 50
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 1 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 2 | 5 |
| 2025 | 2 | 6 |
| 2026 | 5 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stellarators using arrays of permanent magnets1 Sep 2026US 12,725,725 B2The Trustees of Princeton University
- Methods and systems for particle diversion and enhanced pumping efficiency18 Aug 2026US 12,712,089 B2Type One Energy Group, Inc.
- Planar coil stellarator5 May 2026US 12,620,498 B2The Trustees of Princeton University
- System and method for stellarator neutron source24 Feb 2026US 12,562,286 B2The Trustees of Princeton University
- Planar coil stellarator27 Jan 2026US 12,537,109 B2The Trustees of Princeton University
- 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.
- System and method for tracing and imaging magnetic field configuration of stellarator23 Jul 2026US 2026/0211063 A1Southwest Jiaotong University
- 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
- Flexible helical-axis stellarator15US 4,735,765 AThe United States of America as represented by the United States Department of Energy · 1988
- Stellarator magnet based on cubic permanent magnet blocks and arrangement optimization method thereof7US 11,646,139 B2Hefei Institutes of Physical Sciences, Chinese Academy of Sciences · 2023
- Helical axis stellarator with noninterlocking planar coils6US 4,663,109 AThe United States of America as represented by the United States Department of Energy · 1987
- Planar coil stellarator5US 12,009,111 B2The Trustees of Princeton University · 2024
- Planar coil stellarator4US 12,100,520 B2The Trustees of Princeton University · 2024