Description
Class G21B : FUSION REACTORS
Subclass 1/05: Thermonuclear fusion reactors with magnetic or electric plasma confinement
G21B 1/05
Sub-Class
Stats
- 161 US PATENTS IN FORCE
- 129 US APPLICATIONS PENDING
- 20 Total Patent Owners
- 384 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12266452 | Plasma confinement device and method for plasma confinement | Nov 11, 20 | Apr 01, 25 | Novatron Fusion Group AB |
| 12260971 | Alignment of HTS tapes | Aug 30, 19 | Mar 25, 25 | TOKAMAK ENERGY LTD |
| 12262462 | High-energy plasma generator using radio-frequency and neutral beam power | Mar 16, 21 | Mar 25, 25 | Wisconsin Alumni Research Foundation |
| 12254994 | Fusion reactor having nested pebble bed blanket | Mar 08, 24 | Mar 18, 25 | UT-BATTELLE, LLC |
| 12255056 | Diagnostic method and system for measuring potential and electric field of plasma | Jun 28, 24 | Mar 18, 25 | Southwest Jiaotong University |
| 12249433 | Coordinated fueling system and method satisfying thousand-second pulsed plasma discharge | Apr 19, 24 | Mar 11, 25 | Hefei Institutes of Physical Science, Chinese Academy of Sciences |
| 12243682 | Demountable solder joints for coupling superconducting current paths | Mar 25, 21 | Mar 04, 25 | Massachusetts Institute of Technology |
| 12245351 | Plasma confinement system | Jan 05, 23 | Mar 04, 25 | University of Washington |
| 12219686 | Electrode configuration for extended plasma confinement | May 27, 22 | Feb 04, 25 | Zap Energy, Inc. |
| 12207384 | Top surface wave antenna of spherical Tokamak | Nov 18, 22 | Jan 21, 25 | Anhui Agricultural University |
| 12183507 | High temperature superconductor magnet | Oct 14, 19 | Dec 31, 24 | TOKAMAK ENERGY LTD |
| 12183556 | Methods and systems for increasing energy output in Z-pinch plasma confinement system | May 17, 23 | Dec 31, 24 | Zap Energy, Inc. |
| 12166398 | Direct energy converter for axisymmetric mirror fusion reactor | Mar 15, 22 | Dec 10, 24 | Wisconsin Alumni Research Foundation |
| 12154694 | Magnetic confinement fusion reactor | May 09, 24 | Nov 26, 24 | Hefei Institutes of Physical Science, Chinese Academy of Sciences |
| 12127324 | Apparatus and method for extended plasma confinement | May 27, 22 | Oct 22, 24 | Zap Energy, Inc. |
| 12100520 | Planar coil stellarator | Jan 18, 24 | Sep 24, 24 | The Trustees of Princeton University |
| 12087455 | Fusion energy device with geodesic deviation gravitational effects | Sep 20, 18 | Sep 10, 24 | Not available |
| 12033763 | Liquid sandwich vacuum vessel for magnetic fusion | Mar 03, 21 | Jul 09, 24 | Massachusetts Institute of Technology |
| 12009111 | Planar coil stellarator | Mar 10, 23 | Jun 11, 24 | The Trustees of Princeton University |
| 12009112 | Fusion generator | Aug 01, 22 | Jun 11, 24 | KRONOS FUSION ENERGY IP HOLDING COMPANY LLC |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0095,872 | PASSIVE COOLANT MANAGEMENT | Nov 03, 22 | Mar 20, 25 | Not available |
| 2025/0087,376 | PLANAR COIL STELLARATOR | Nov 22, 24 | Mar 13, 25 | Not available |
| 2025/0079,026 | Whispering gallery mode fusion reactor with fast ignition | Aug 31, 23 | Mar 06, 25 | Not available |
| 2025/0079,964 | Direct Energy Converter for Axisymmetric Mirror Fusion Reactor | Oct 25, 24 | Mar 06, 25 | Not available |
| 2025/0069,791 | HIGH TEMPERATURE SUPERCONDUCTOR MAGNET | Nov 15, 24 | Feb 27, 25 | Not available |
| 2025/0062,069 | MULTI-DEGREE-OF-FREEDOM CONDUCTOR AUTOMATIC DEPOSITING SYSTEM FOR TOKAMAK TOROIDAL FIELD COIL WINDING PACKS | Aug 12, 24 | Feb 20, 25 | Not available |
| 2025/0037,885 | FUSION REACTOR | Mar 22, 24 | Jan 30, 25 | Not available |
| 2024/0420,853 | High Performance Antenna for Ion Cyclotron Resonance Heating in Fusion Reactors | Jun 12, 24 | Dec 19, 24 | Not available |
| 2024/0404,713 | FUSION ENERGY DEVICE WITH GEODESIC DEVIATION GRAVITATIONAL EFFECTS | Aug 02, 24 | Dec 05, 24 | Not available |
| 2024/0395,446 | STELLARATORS USING ARRAYS OF PERMANENT MAGNETS | Jul 31, 24 | Nov 28, 24 | Not available |
| 2024/0387,061 | Nuclear Fusion Apparatus | Jul 13, 24 | Nov 21, 24 | Not available |
| 2024/0387,063 | TECHNIQUES FOR AUTOMATED MAINTENANCE OF A TOKAMAK AND RELATED SYSTEMS AND METHODS | May 16, 23 | Nov 21, 24 | Commonwealth Fusion Systems LLC |
| 2024/0387,064 | TECHNIQUES FOR REMOVING A VACUUM VESSEL FROM A TOKAMAK AND RELATED SYSTEMS AND METHODS | May 16, 23 | Nov 21, 24 | Commonwealth Fusion Systems LLC |
| 2024/0371,532 | A Device That Generates Sustained Nuclear Fusion By Emulating The Physics Of Ball Lightning | May 01, 23 | Nov 07, 24 | Not available |
| 2024/0371,533 | CENTRAL COLUMN FOR A TOROIDAL FIELD COIL OF A TOKAMAK PLASMA CHAMBER | Jun 30, 21 | Nov 07, 24 | Not available |
| 2024/0347,217 | ORBITAL CONFINEMENT FUSION DEVICE | Mar 13, 24 | Oct 17, 24 | Avalanche Energy Designs, Inc. |
| 2024/0347,218 | System and Method to Employ Centrifugal Confinement Fusion for In-Space Propulsion and Power Generation | Oct 21, 22 | Oct 17, 24 | Not available |
| 2024/0347,219 | Whispering gallery mode fusion reactor | Apr 12, 23 | Oct 17, 24 | Not available |
| 2024/0321,469 | ALLOY FOR USE IN PLASMA CONFINEMENT SYSTEM | Mar 21, 24 | Sep 26, 24 | Not available |
| 2024/0312,657 | CONTROLLING A MAGNETIC FIELD OF A MAGNETIC CONFINEMENT DEVICE USING A NEURAL NETWORK | Jul 08, 22 | Sep 19, 24 | Not available |
Top Owners in This Subclass
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 23 Months (last 2 years Issuances)
- 23 Months (last 5 years Issuances)