G21B 1/17
Vacuum chambers
Official title: Vacuum chambers; Vacuum systems
G21B1/17 (Vacuum chambers) appears on 45 US grants and 117 published applications in this corpus.
Search patents in G21B- Granted patents
- 45
- Published applications
- 117
- Assignees
- 43
- Inventors
- 190
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 2 | 3 |
| 2016 | 4 | 4 |
| 2017 | 3 | 6 |
| 2018 | 1 | 6 |
| 2019 | 2 | 9 |
| 2020 | 5 | 3 |
| 2021 | 4 | 4 |
| 2022 | 7 | 9 |
| 2023 | 3 | 8 |
| 2024 | 6 | 15 |
| 2025 | 3 | 8 |
| 2026 | 2 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for controlling plasma compression11 Aug 2026US 12,707,554 B2General Fusion Inc.
- Rotating core plasma compression system7 Apr 2026US 12,598,689 B2General Fusion Inc.
- Techniques for removing a vacuum vessel from a tokamak and related systems and methods2 Dec 2025US 12,488,904 B2Commonwealth Fusion Systems LLC
- Techniques for automated maintenance of a tokamak and related systems and methods28 Oct 2025US 12,456,555 B2Commonwealth Fusion Systems LLC
- Reactor for producing a nuclear fusion reaction27 May 2025US 12,315,644 B2
- 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.
- Blanket for fusion reactor27 Aug 2026US 2026/0253751 A1Kyoto Fusioneering Ltd.
- Device for the implementation of accelerated ion-based nuclear fusion reactions13 Aug 2026US 2026/0237529 A1
- Direct laser fusion system6 Aug 2026US 2026/0229373 A1Blue Laser Fusion, Inc.
Most cited
By later US patents
- Inertial confinement fusion system which decouples life-limited component from plant availability12US 11,387,007 B2Lawrence Livermore National Security, LLC · 2022
- Method and apparatus for compressing plasma to a high energy state9US 9,025,717 B22015
- Cryogenic refrigeration system and refrigeration method therefor7US 5,443,548 AHitachi, Ltd. · 1995
- Systems and methods for FRC plasma position stability5US 11,217,351 B2Tae Technologies, Inc. · 2022
- Vacuum chamber for plasma electric generation system5US 9,607,719 B2The Regents of the University of California · 2017