Class G21C : NUCLEAR REACTORS
Subclass 1/08: Reactors Thermal reactors Heterogeneous reactors, i.e. in which fuel and moderator are separated moderator being highly pressurised, e.g. boiling-water reactor, integral-superheat reactor, pressurised-water reactor (G21C 1/22 takes precedence)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12183471 | Single-loop nuclear power plant with pressurized coolant | Dec 29, 17 | Dec 31, 24 | Joint-Stock Company Engineering Company ASE; Joint Stock Company Atomenergoproekt; |
| 12183472 | Systems and methods for steam separator tie bar repair or replacement | Jun 18, 18 | Dec 31, 24 | Hitachi America Ltd. |
| 12183474 | Control rods for light water reactors | Nov 09, 21 | Dec 31, 24 | Westinghouse Electric Company LLC |
| 12125602 | Method for decommissioning nuclear facility | Dec 24, 19 | Oct 22, 24 | KOREA HYDRO & NUCLEAR POWER CO., LTD |
| 12080436 | Thorium-based fuel design for pressurized heavy water reactors | Jun 15, 23 | Sep 03, 24 | CLEAN CORE THORIUM ENERGY LLC |
| 12057240 | Compact reactor with horizontal steam generators and pressurizer | Jul 02, 18 | Aug 06, 24 | INVAP S.E. |
| 11984231 | Nuclear reactor plant for housing nuclear reactor modules | Dec 17, 21 | May 14, 24 | NuScale Power, LLC |
| 11929183 | Thorium-based fuel design for pressurized heavy water reactors | May 09, 23 | Mar 12, 24 | CLEAN CORE THORIUM ENERGY LLC |
| 11901091 | Combined mounting/electrical distribution plate for powering internal control rod drive mechanism (CRDM) units of a nuclear reactor | Jul 02, 21 | Feb 13, 24 | BWXT mPower, Inc. |
| 11837370 | Pressurized water reactor with upper vessel section providing both pressure and flow control | Jan 11, 21 | Dec 05, 23 | BWXT mPower, Inc. |
| 11823806 | Nuclear reactor dismantlement system | Jul 03, 19 | Nov 21, 23 | KOREA HYDRO & NUCLEAR POWER CO., LTD |
| 11810680 | Modular integrated gas high temperature nuclear reactor | Oct 09, 20 | Nov 07, 23 | BOSTON ATOMICS, LLC |
| 11779702 | Method for dynamic pressure control in a fluid injector system | Aug 28, 18 | Oct 10, 23 | Bayer Healthcare LLC |
| 11742099 | Very simplified boiling water reactors for commercial electricity generation | May 31, 20 | Aug 29, 23 | Hitachi America Ltd. |
| 11705249 | Thorium-based fuel design for pressurized heavy water reactors | Jun 13, 22 | Jul 18, 23 | CLEAN CORE THORIUM ENERGY LLC |
| 11682496 | Apparatus for treating waste of nuclear reactor pressure vessel, and method for treating waste of nuclear reactor pressure vessel | Jul 03, 19 | Jun 20, 23 | KOREA HYDRO & NUCLEAR POWER CO., LTD |
| 11450442 | Internal-external hybrid microreactor in a compact configuration | Apr 24, 20 | Sep 20, 22 | Global Energy Research Associates, LLC |
| 11393598 | Nuclear reactor vessel support system | Jul 28, 20 | Jul 19, 22 | SMR INVENTEC, LLC |
| 11387008 | Passive containment cooling system for boiling water reactor and method of installation | Dec 31, 19 | Jul 12, 22 | Hitachi America Ltd. |
| 11342089 | Predictive model construction and prediction method for radioactive metal corrosion concentration in nuclear reactor water | Sep 17, 20 | May 24, 22 | Hitachi-GE Nuclear Energy, Ltd. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0111,956 | STEAM-WATER SEPARATOR AND BOILING-WATER REACTOR | Jul 31, 24 | Apr 03, 25 | Not available |
| 2024/0420,854 | THORIUM-BASED FUEL DESIGN FOR PRESSURIZED HEAVY WATER REACTORS | Aug 22, 24 | Dec 19, 24 | Not available |
| 2024/0312,646 | DEBRIS FILTERING ARRANGEMENT FOR NUCLEAR FUEL ASSEMBLY BOTTOM NOZZLE AND BOTTOM NOZZLE INCLUDING SAME | Jul 26, 23 | Sep 19, 24 | Westinghouse Electric Company LLC |
| 2024/0312,650 | BOILING WATER REACTORS | Jul 31, 23 | Sep 19, 24 | Not available |
| 2024/0312,654 | IN-CORE INSTRUMENTATION | May 14, 24 | Sep 19, 24 | NuScale Power, LLC |
| 2021/0050,122 | NUCLEAR REACTOR SYSTEM HAVING NATURAL CIRCULATION OF PRIMARY COOLANT | Jul 28, 20 | Feb 18, 21 | Not available |
| 2020/0373,028 | SPACE REACTOR GAS ASSIST CONTROL ROD RELEASE MECHANISM | May 21, 20 | Nov 26, 20 | Not available |
| 2020/0194,132 | Fuel Loading Method and Reactor Core | Nov 21, 19 | Jun 18, 20 | Not available |
| 2019/0221,323 | NUCLEAR REACTOR USING CONTROLLED DEBRIS TO MITIGATE ECCS STRAINER PRESSURE HEAD LOSS | Nov 20, 17 | Jul 18, 19 | Continuum Dynamics, Inc. |
| 2018/0182,499 | Core Plate Assembly, and a Method of Performing Work on a Core Plate Assembly | Nov 02, 17 | Jun 28, 18 | Westinghouse Electric Sweden AB |
| 2017/0206,989 | In-Containment Ex-Core Detector System | Jan 15, 16 | Jul 20, 17 | WESTINGHOUSE ELECTRIC COMPANY LLC |
| 2016/0336,081 | OPERATING FLOOR CONFINEMENT AND NUCLEAR PLANT | Apr 25, 16 | Nov 17, 16 | KABUSHIKI KAISHA TOSHIBA |
| 2015/0348,658 | NOZZLE REPAIR METHOD AND NUCLEAR REACTOR VESSEL | Dec 24, 13 | Dec 03, 15 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 2015/0239,065 | LASER PROCESSING APPARATUS AND LASER PROCESSING METHOD | Feb 19, 15 | Aug 27, 15 | KABUSHIKI KAISHA TOSHIBA |
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