G21B 1/052
Reversed field configuration
Official title: {reversed field configuration}
G21B1/052 (Reversed field configuration) appears on 90 US grants and 117 published applications in this corpus.
Search patents in G21B- Granted patents
- 90
- Published applications
- 117
- Assignees
- 23
- Inventors
- 97
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 1 |
| 2002 | 0 | 1 |
| 2003 | 3 | 9 |
| 2004 | 0 | 4 |
| 2005 | 5 | 3 |
| 2006 | 7 | 9 |
| 2007 | 2 | 3 |
| 2008 | 3 | 5 |
| 2009 | 3 | 2 |
| 2010 | 1 | 4 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 5 |
| 2015 | 2 | 6 |
| 2016 | 4 | 4 |
| 2017 | 6 | 6 |
| 2018 | 8 | 8 |
| 2019 | 10 | 8 |
| 2020 | 5 | 8 |
| 2021 | 9 | 5 |
| 2022 | 6 | 7 |
| 2023 | 2 | 5 |
| 2024 | 4 | 5 |
| 2025 | 2 | 2 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Method of converging plasma pistons23 Jun 2026US 12,665,096 B2University of New Hampshire
- System and methods for forming and maintaining high energy and temperature FRC plasma via spheromak merging and neutral beam injection30 Sep 2025US 12,432,840 B2Tae Technologies, Inc.
- Laser-based sub-doppler circular dichroism spectroscopy in frc device3 Jun 2025US 12,320,874 B2Tae Technologies, Inc.
- Magnetic confinement fusion reactor26 Nov 2024US 12,154,694 B2Hefei Institutes of Physical Science, Chinese Academy of Sciences
- Statistical Fusion Energy System with Staged Magnetic Micro-Chambers and Dynamic Plasma Transfer Valves18 Jun 2026US 2026/0171264 A1
- System and methods for forming and maintaining high energy and temperature frc plasma via spheromak merging and neutral beam injection7 May 2026US 2026/0129740 A1Tae Technologies, Inc.
- Stochastic mantle for magnetic fusion devices and method of use30 Apr 2026US 2026/0120895 A1
- Laser-based sub-doppler circular dichroism spectroscopy in frc device9 Apr 2026US 2026/0098919 A1Tae Technologies, Inc.
- System and methods for shear flow control of frc plasma5 Mar 2026US 2026/0068022 A1Tae Technologies, Inc.
Most cited
By later US patents
- Controlled fusion in a field reversed configuration and direct energy conversion107US 6,611,106 B2The Regents of the University of California · 2003
- Production of field-reversed mirror plasma with a coaxial plasma gun95US 4,314,879 AThe United States of America as represented by the United States Department of Energy · 1982
- Formation of a field reversed configuration for magnetic and electrostatic confinement of plasma79US 6,891,911 B2The Regents of the University of California · 2005
- Method and apparatus for producing average magnetic well in a reversed field pinch72US 4,560,528 AGA Technologies Inc. · 1985
- Formation of a field reversed configuration for magnetic and electrostatic confinement of plasma65US 6,664,740 B2The Regents of the University of California · 2003