Class G21H : OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES; UTILISING COSMIC RADIATION
Subclass 1/10: Arrangements for obtaining electrical energy from radioactive sources, e.g. from radioactive isotopes Cells in which radiation heats a thermoelectric junction or a thermionic converter
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12254997 | Fuel fabrication process for radioisotope thermoelectric generators | Jun 16, 22 | Mar 18, 25 | Zeno Power Systems, Inc. |
| 12198826 | Nuclear battery | Nov 04, 20 | Jan 14, 25 | Westinghouse Electric Company LLC |
| 12165779 | System and method for thermionic energy conversion | Jan 12, 24 | Dec 10, 24 | Spark Thermionics, Inc. |
| 11935667 | System and method for thermionic energy conversion | Dec 20, 21 | Mar 19, 24 | Spark Thermionics, Inc. |
| 11929185 | Dynamic isotope battery | Nov 25, 19 | Mar 12, 24 | South University of Science and Technology of China |
| 11894158 | Diffusion window for radioactive heat source | Jan 15, 21 | Feb 06, 24 | Lockheed Martin Corporation |
| 11837373 | Hazardous material repository systems and methods | May 23, 22 | Dec 05, 23 | Deep Isolation, Inc. |
| 11798698 | Heavy ion plasma energy reactor | Dec 04, 20 | Oct 24, 23 | Not available |
| 11705251 | Fuel design and shielding design for radioisotope thermoelectric generators | Dec 16, 20 | Jul 18, 23 | Zeno Power Systems, Inc. |
| 11670432 | Multi-layered radio-isotope for enhanced photoelectron avalanche process | Jan 10, 22 | Jun 06, 23 | The United States of America as represented by the Administrator of NASA |
| 11581104 | Multi-layer structure of nuclear thermionic avalanche cells | May 21, 20 | Feb 14, 23 | The United States of America as represented by the Administrator of NASA |
| 11563160 | Internally heated concentrated solar power (CSP) thermal absorber | May 26, 16 | Jan 24, 23 | The Boeing Company |
| 11538601 | Nuclear microbattery | Jul 23, 18 | Dec 27, 22 | The University of Sussex |
| 11264144 | System and method for thermionic energy conversion | May 06, 21 | Mar 01, 22 | Spark Thermionics, Inc. |
| 11257604 | Multi-layered radio-isotope for enhanced photoelectron avalanche process | May 30, 19 | Feb 22, 22 | The United States of America as represented by the Administrator of NASA |
| 11217356 | Radioisotope power source | Jun 28, 19 | Jan 04, 22 | The Boeing Company |
| 11063199 | Internally heated concentrated solar power (CSP) thermal absorber | May 27, 16 | Jul 13, 21 | The Boeing Company |
| 11037687 | Co-60 breeding reactor tandem with thermionic avalanche cell | Mar 13, 19 | Jun 15, 21 | The United States of America as represented by the Administrator of NASA |
| 11004666 | Portable miniaturized thermionic power cell with multiple regenerative layers | Mar 15, 19 | May 11, 21 | The United States of America as represented by the Administrator of NASA |
| 10930408 | Triboluminescence isotope battery | Oct 18, 19 | Feb 23, 21 | South University of Science and Technology of China |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0029,744 | SYSTEM AND METHOD FOR THERMIONIC ENERGY CONVERSION | Oct 07, 24 | Jan 23, 25 | Spark Thermionics, Inc. |
| 2024/0153,664 | DEVICES, SYSTEMS, AND METHODS FOR POWER GENERATION USING IRRADIATORS AND OTHER GAMMA RAY SOURCES | Feb 23, 22 | May 09, 24 | Westinghouse Electric Company LLC |
| 2024/0021,336 | SCALABLE RADIOISOTOPE POWER TILES | Jul 14, 22 | Jan 18, 24 | The Aerospace Corporation |
| 2023/0197,306 | FULLY CERAMIC ENCAPSULATED RADIOACTIVE HEAT SOURCE | Sep 16, 22 | Jun 22, 23 | Not available |
| 2022/0328,209 | Cooling Systems and Methods for Nuclear Thermionic Avalanche Cells | Apr 09, 21 | Oct 13, 22 | Not available |
| 2022/0115,159 | SYSTEM AND METHOD FOR THERMIONIC ENERGY CONVERSION | Dec 20, 21 | Apr 14, 22 | Not available |
| 2022/0108,814 | Surface Flashover and Material Texturing for Multiplying and Collecting Electrons for Nuclear Thermal Avalanche Cells and Nuclear Battery Devices | Oct 01, 21 | Apr 07, 22 | Not available |
| 2022/0037,047 | Diffusion Window For Radioactive Heat Source | Jan 15, 21 | Feb 03, 22 | Lockheed Martin Corporation |
| 2021/0257,122 | GENERATOR AND METHOD FOR USING SAME | Aug 21, 19 | Aug 19, 21 | Not available |
| 2021/0057,123 | Elements For Mitigating Electron Reflection and Vacuum Electronic Devices Incorporating Elements For Mitigating Electron Reflection | Aug 20, 20 | Feb 25, 21 | Not available |
| 2020/0090,825 | DYNAMIC ISOTOPE BATTERY | Nov 25, 19 | Mar 19, 20 | Not available |
| 2020/0051,707 | TRIBOLUMINESCENCE ISOTOPE BATTERY | Oct 18, 19 | Feb 13, 20 | Not available |
| 2018/0158,560 | Nuclear radiation thermoelectron engine | Dec 03, 16 | Jun 07, 18 | Not available |
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