Description
Class G21D : NUCLEAR POWER PLANT
Subclass 1/00: Details of nuclear power plant (control G21D 3/00)
G21D 1/00
Sub-Class
Stats
- 218 US PATENTS IN FORCE
- 34 US APPLICATIONS PENDING
- 47 Total Patent Owners
- 541 TOTAL INVENTORS
Recent Patents
| 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; |
| 12176115 | Aparatus and method for dismantling for heavy water reactor facilities | Jan 08, 20 | Dec 24, 24 | KOREA HYDRO & NUCLEAR POWER CO., LTD |
| 12176116 | System and related method for converting fossil-fueled generating plants to clean energy | Jan 08, 24 | Dec 24, 24 | Holtec International Inc. |
| 12176117 | Thermal energy storage system connected to both a nuclear reactor and a power generator | Sep 16, 20 | Dec 24, 24 | TerraPower, LLC. |
| 12125602 | Method for decommissioning nuclear facility | Dec 24, 19 | Oct 22, 24 | KOREA HYDRO & NUCLEAR POWER CO., LTD |
| 12119125 | Nuclear dismantling apparatus and method | Mar 30, 21 | Oct 15, 24 | ATS CORPORATION |
| 12100523 | Controlling a power output of a nuclear reaction using chemical injection | Jun 02, 22 | Sep 24, 24 | NuScale Power, LLC |
| 12087461 | Power conversion system | Jun 28, 23 | Sep 10, 24 | CARBON FREE HOLDINGS LLC |
| 12057240 | Compact reactor with horizontal steam generators and pressurizer | Jul 02, 18 | Aug 06, 24 | INVAP S.E. |
| 12033765 | Safety cover structure usable in dismantling operations at nuclear facility | Mar 13, 20 | Jul 09, 24 | KOREA HYDRO & NUCLEAR POWER CO., LTD |
| 12002594 | Method for decommissioning nuclear facilities | Mar 05, 20 | Jun 04, 24 | KOREA HYDRO & NUCLEAR POWER CO., LTD |
| 11996208 | Controlling a power output of a nuclear reactor without using control rods | Mar 14, 22 | May 28, 24 | NUSCALE POWER, LLC |
| 11984233 | Method for decommissioning heavy water reactor facility | Jul 03, 19 | May 14, 24 | KOREA HYDRO & NUCLEAR POWER CO., LTD |
| 11948700 | In-situ method of drilling to collect dry samples from a nuclear reactor core interior for analysis | Nov 11, 20 | Apr 02, 24 | Not available |
| 11935663 | Control rod drive system for nuclear reactor | Oct 27, 20 | Mar 19, 24 | SMR INVENTEC, LLC |
| 11923100 | Power plant system | Aug 20, 21 | Mar 05, 24 | TERRESTRIAL ENERGY USA, INC. |
| 11901088 | Method of heating primary coolant outside of primary coolant loop during a reactor startup operation | Nov 04, 20 | Feb 13, 24 | SMR INVENTEC, LLC |
| 11875906 | Method of operating a nuclear power plant | Sep 22, 22 | Jan 16, 24 | Terrestrial Energy Inc. |
| 11862355 | Method of removing radioactive structure from a wall in a nuclear power plant | May 22, 19 | Jan 02, 24 | Korea Atomic Energy Research Institute |
| 11848113 | Network and information systems and methods for shipyard manufactured and ocean delivered nuclear platform | Sep 21, 19 | Dec 19, 23 | Strong Force IoT Portfolio 2016, LLC |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0069,765 | METHOD AND APPARATUS FOR DECOMMISSIONING NUCLEAR POWER | Jan 02, 23 | Feb 27, 25 | KOREA HYDRO & NUCLEAR POWER CO., LTD |
| 2025/0069,766 | SYSTEM AND RELATED METHOD FOR CONVERTING FOSSIL-FUELED GENERATING PLANTS TO CLEAN ENERGY | Nov 14, 24 | Feb 27, 25 | HOLTEC INTERNATIONAL |
| 2024/0416,439 | Apparatus For Cutting Curved Wall Of Reactor Structure | Nov 07, 22 | Dec 19, 24 | Not available |
| 2024/0404,716 | CONTROLLING A POWER OUTPUT OF A NUCLEAR REACTION USING CHEMICAL INJECTION | Aug 13, 24 | Dec 05, 24 | NuScale Power, LLC |
| 2024/0395,427 | Power Conversion System for Nuclear Power Stations | Aug 02, 24 | Nov 28, 24 | Not available |
| 2024/0355,488 | PASSIVE CHEMICAL INJECTION SYSTEM FOR CONTROLLING A NUCLEAR REACTION BY DELIVERING A NEUTRON-ABSORBING CHEMICAL INTO A CONTAINMENT VESSEL | Dec 11, 23 | Oct 24, 24 | Not available |
| 2024/0304,349 | NETWORK AND INFORMATION SYSTEMS AND METHODS FOR SHIPYARD MANUFACTURED AND OCEAN DELIVERED NUCLEAR PLATFORM | Dec 18, 23 | Sep 12, 24 | Strong Force IoT Portfolio 2016, LLC |
| 2024/0266,081 | NUCLEAR FUEL CORE AND METHODS OF FUELING AND/OR DEFUELING A NUCLEAR REACTOR, CONTROL ROD DRIVE SYSTEM FOR NUCLEAR REACTOR, SHUTDOWN SYSTEM FOR NUCLEAR STEAM SUPPLY SYSTEM, NUCLEAR REACTOR SHROUD, AND/OR LOSS-OF-COOLANT ACCIDENT REACTOR COOLING SYSTEM | Mar 06, 24 | Aug 08, 24 | Not available |
| 2024/0266,083 | NUCLEAR STEAM SUPPLY AND START-UP SYSTEM, PASSIVELY-COOLED SPENT NUCLEAR FUEL POOL SYSTEM AND METHOD THEREFOR, COMPONENT COOLING WATER SYSTEM FOR NUCLEAR POWER PLANT, PASSIVE REACTOR COOLING SYSTEM, STEAM GENERATOR FOR NUCLEAR STEAM SUPPLY SYSTEM | Feb 08, 24 | Aug 08, 24 | Not available |
| 2024/0025,517 | OFFSHORE ENERGY GENERATION SYSTEM | Oct 04, 23 | Jan 25, 24 | Not available |
| 2023/0075,832 | ENERGY PRODICUTION DEVICE AND ASSOCIATED COMPONENTS, SYSTEMS, AND METHODS | Jan 21, 21 | Mar 09, 23 | Not available |
| 2023/0005,630 | METHOD AND ARRANGEMENT FOR CLEANING LIQUID | Dec 04, 20 | Jan 05, 23 | SIEMPELKAMP NIS INGENIEURGESELLSCHAFT MBH |
| 2022/0301,734 | ARRANGEMENT AND METHOD FOR DISMANTLING A CONTAINER | Jul 06, 21 | Sep 22, 22 | SIEMPELKAMP NIS INGENIEURGESELLSCHAFT MBH |
| 2022/0254,531 | ENGINE SYSTEM WITH FUEL-DRIVE THERMAL SUPPORT | Feb 08, 21 | Aug 11, 22 | Not available |
| 2021/0350,944 | APPARATUS FOR COLLECTING SHIELDING BALLS FOR HEAVY-WATER REACTOR | Sep 20, 19 | Nov 11, 21 | Not available |
| 2021/0287,817 | APPARATUS FOR DECOMMISSIONING HEAVY-WATER REACTOR FACILITIES AND METHOD FOR DECOMMISSIONING HEAVY-WATER REACTOR FACILITIES | Jul 03, 19 | Sep 16, 21 | Not available |
| 2021/0210,236 | REMOTE DISMANTLING SYSTEM FOR NUCLEAR POWER PLANT AND NUCLEAR POWER PLANT HAVING SAME | May 09, 19 | Jul 08, 21 | Not available |
| 2021/0174,978 | DISMANTLING AND DECONTAMINATION SYSTEM AND METHOD OF BIODEGRADABLE CONCRETE OF PWR TYPE NUCLEAR POWER PLANT | Apr 17, 19 | Jun 10, 21 | Not available |
| 2021/0158,982 | METHOD FOR DECOMMISSIONING NUCLEAR FACILITIES | Apr 18, 19 | May 27, 21 | Not available |
| 2021/0142,920 | NUCLEAR STEAM SUPPLY AND START-UP SYSTEM, PASSIVELY-COOLED SPENT NUCLEAR FUEL POOL SYSTEM AND METHOD THEREFOR, COMPONENT COOLING WATER SYSTEM FOR NUCLEAR POWER PLANT, PASSIVE REACTOR COOLING SYSTEM, STEAM GENERATOR FOR NUCLEAR STEAM SUPPLY SYSTEM | Nov 04, 20 | May 13, 21 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 36 Months (last 2 years Issuances)
- 36 Months (last 5 years Issuances)