H05H 1/02
Arrangements for confining plasma by electric or magnetic fields
Official title: Arrangements for confining plasma by electric or magnetic fields; Arrangements for heating plasma ({G21B1/00 takes precedence;} electron optics H01J)
H05H1/02 (Arrangements for confining plasma by electric or magnetic fields) appears on 467 US grants and 398 published applications in this corpus.
Search patents in H05H- Granted patents
- 467
- Published applications
- 398
- Assignees
- 222
- Inventors
- 822
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 12 | 0 |
| 1979 | 7 | 0 |
| 1980 | 11 | 0 |
| 1981 | 18 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 12 | 0 |
| 1985 | 5 | 0 |
| 1986 | 10 | 0 |
| 1987 | 14 | 0 |
| 1988 | 14 | 0 |
| 1989 | 6 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 2 |
| 2002 | 5 | 4 |
| 2003 | 9 | 11 |
| 2004 | 3 | 6 |
| 2005 | 8 | 7 |
| 2006 | 9 | 11 |
| 2007 | 4 | 11 |
| 2008 | 4 | 8 |
| 2009 | 4 | 6 |
| 2010 | 5 | 14 |
| 2011 | 2 | 14 |
| 2012 | 3 | 4 |
| 2013 | 4 | 11 |
| 2014 | 5 | 14 |
| 2015 | 6 | 12 |
| 2016 | 14 | 14 |
| 2017 | 13 | 25 |
| 2018 | 20 | 36 |
| 2019 | 27 | 21 |
| 2020 | 20 | 27 |
| 2021 | 16 | 20 |
| 2022 | 22 | 30 |
| 2023 | 13 | 21 |
| 2024 | 20 | 28 |
| 2025 | 17 | 27 |
| 2026 | 16 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H05H 1/10Using externally-applied magnetic fields only192
- H05H 1/16Using externally-applied electric and magnetic fields127
- H05H 1/04Using magnetic fields substantially generated by the discharge in the plasma94
- H05H 1/22For injection heating59
- H05H 1/03Using electrostatic fields39
- H05H 1/20Ohmic heating4
Recent patents
- Magnetic mirror machine15 Sep 2026US 12,738,385 B2Novatron Fusion Group AB
- 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 and apparatus for controlling plasma compression11 Aug 2026US 12,707,554 B2General Fusion Inc.
- Methods and devices for pressurization of pulsed-power drivers28 Jul 2026US 12,696,372 B2Fuse Energy Technologies Corp.
- Method of converging plasma pistons23 Jun 2026US 12,665,096 B2University of New Hampshire
- System and method for forming inertial confinement fusion target capsules with engineered foam interior surfaces8 Oct 2026US 2026/0311895 A1Lawrence Livermore National Security, LLC
- Electric propulsion system for space applications20 Aug 2026US 2026/0242070 A1Forchun, LLC
- Remote Surface Wave Propagation for Semiconductor Chamber13 Aug 2026US 2026/0237603 A1APPLIED Materials.Inc.
- Plasma Confinement System with Outer Electrode Having Liquifiable Material and Methods for Use6 Aug 2026US 2026/0231314 A1Lawrence Livermore National Security, LLC
- Electron cyclotron resonance thruster30 Jul 2026US 2026/0217389 A1Office National D’Etudes Et De Recherches AéRospatiales
Most cited
By later US patents
- Pulse power generating circuit with energy recovery157US 5,729,562 AAdvanced Pulse Power Technologies, Inc. · 1998
- Method and apparatus for producing high density plasma using whistler mode excitation110US 5,225,740 AGeneral Atomics · 1993
- Folded waveguide coupler109US 4,728,910 AThe United States of America as represented by the United States Department of Energy · 1988
- Controlled fusion in a field reversed configuration and direct energy conversion107US 6,611,106 B2The Regents of the University of California · 2003
- Plasma generation in electron cyclotron resonance103US 4,952,273 AMicroscience Limited · 1990