Description
Class G21D : NUCLEAR POWER PLANT
Subclass 3/04: Control of nuclear power plant (control of nuclear reaction G21C 7/00 ) Safety arrangements (emergency protection of reactor G21C 9/00)
G21D 3/04
Sub-Class
Stats
- 114 US PATENTS IN FORCE
- 23 US APPLICATIONS PENDING
- 23 Total Patent Owners
- 353 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11961625 | Nuclear reactor protection systems and methods | Mar 01, 21 | Apr 16, 24 | NuScale Power, LLC |
| 11935664 | Dynamic characteristic analysis method of DET and RELAP5 coupling based on universal instrumental variable method | Jul 11, 22 | Mar 19, 24 | Harbin Engineering University |
| 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 |
| 11842821 | Distributed modular nuclear power plant layout architecture | Apr 12, 22 | Dec 12, 23 | Hitachi America Ltd. |
| 11837372 | Methods for protection of nuclear reactors from thermal hydraulic/neutronic core instability | Dec 28, 20 | Dec 05, 23 | Westinghouse Electric Company LLC |
| 11823804 | Steam generator accident mitigation system | Dec 15, 20 | Nov 21, 23 | Korea Atomic Energy Research Institute |
| 11728051 | Nuclear reactor protection systems and methods | Oct 22, 20 | Aug 15, 23 | NuScale Power, LLC; Paragon Energy Solutions, LLC; |
| 11720091 | Systems and methods for real-time data processing and for emergency planning | Jul 09, 21 | Aug 08, 23 | Ohio State Innovation Foundation |
| 11488733 | Method and system for bringing a nuclear power plant into a safe state after extreme effect | Dec 28, 18 | Nov 01, 22 | JOINT-STOCK COMPANY SCIENTIFIC RESEARCH AND DESIGN INSTITUTE FOR ENERGY TECHNOLOGIES ATOMPROEKT; JOINT STOCK COMPANY “SCIENCE AND INNOVATIONS”; |
| 11488735 | Method for determining at least one threshold value of at least one operating parameter of a nuclear reactor, and associated computer program and electronic system | Dec 18, 18 | Nov 01, 22 | Framatome |
| 11391182 | External reactor vessel cooling and electric power generation system | May 14, 18 | Jul 19, 22 | Korea Atomic Energy Research Institute; KING ABDULLAH CITY FOR ATOMIC AND RENEWABLE ENERGY; |
| 11393599 | Subcritical core reactivity bias projection technique | Dec 12, 18 | Jul 19, 22 | Westinghouse Electric Company LLC |
| 11355255 | System and method for reducing atmospheric release of radioactive materials caused by severe accident | Jan 22, 20 | Jun 07, 22 | Korea Atomic Energy Research Institute |
| 11322267 | Fault tolerant turbine speed control system | May 20, 19 | May 03, 22 | Hitachi America Ltd. |
| 11302452 | Nuclear reactor cooling arrangement having a stirling engine | Jun 11, 18 | Apr 12, 22 | Korea Atomic Energy Research Institute; KING ABDULLAH CITY FOR ATOMIC AND RENEWABLE ENERGY; |
| 11289224 | Nuclear-power-plant computer-based procedure display device, safety control and monitoring system, and plant operation monitoring system | Jun 08, 16 | Mar 29, 22 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 11287786 | Statistical overpower penalty calculation system for generic thermal margin analysis model | Nov 04, 20 | Mar 29, 22 | Kepco Nuclear Fuel Co. Ltd. |
| 11289215 | Reactor shutdown system with melting gate member for segregating neutron absorbing material compartment from core | Dec 12, 19 | Mar 29, 22 | Westinghouse Electric Company LLC |
| 11289223 | Power plant chemical control system | Jun 30, 17 | Mar 29, 22 | Joint Stock Company Scientific Research and Design Institute for Energy Technologies ATOMPROEKT; JOINT STOCK COMPANY “SCIENCE AND INNOVATIONS”; |
| 11280412 | Stem anti-rotation device for nuclear reactor power plant gate valves and maintenance method using the stem anti-rotation device | Jan 13, 20 | Mar 22, 22 | MPR Associates, Inc. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0029,741 | METHOD FOR ANALYZING SEVERE ACCIDENT AT NUCLEAR POWER PLANT BY USING MODULAR ANALYSIS CODE | Jan 05, 23 | Jan 23, 25 | Not available |
| 2024/0420,858 | HIGH-PRECISION ANALYSIS METHOD FOR KEY THERMAL SAFETY PHENOMENA IN NUCLEAR REACTOR BASED ON PARTICLE METHOD | Apr 26, 24 | Dec 19, 24 | Not available |
| 2024/0312,658 | Control Apparatus and Control Method of Power Generation Plant | Mar 13, 24 | Sep 19, 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 |
| 2024/0233,969 | Apparatus and Method for Diganosis and Prediction of Severe Accidents in Nuclear Power Plant using Artificial Intelligence and Storage Medium Storing Instructions to Performing Method for Digonosis and Prediction of Severe Accidents in Nuclear Power Plant | Oct 19, 23 | Jul 11, 24 | Not available |
| 2024/0177,878 | METHOD OF EVALUATING THERMAL-HYDRAULIC ANALYSIS OF CONTAINMENT FACILITY AND COMPUTER PROGRAM FOR EXECUTING THE METHOD | Oct 25, 23 | May 30, 24 | Not available |
| 2024/0136,078 | Apparatus and Method for Diganosis and Prediction of Severe Accidents in Nuclear Power Plant using Artificial Intelligence and Storage Medium Storing Instructions to Performing Method for Digonosis and Prediction of Severe Accidents in Nuclear Power Plant | Oct 18, 23 | Apr 25, 24 | Not available |
| 2024/0087,761 | NUCLEAR REACTOR PROTECTION SYSTEMS AND METHODS | Nov 22, 23 | Mar 14, 24 | Not available |
| 2024/0079,155 | DISTRIBUTED MODULAR NUCLEAR POWER PLANT LAYOUT ARCHITECTURE | Oct 10, 23 | Mar 07, 24 | Hitachi America Ltd. |
| 2024/0021,333 | DEVICES, SYSTEMS, AND METHODS FOR ENHANCING THE IMPLEMENTATION OF CONTROL CIRCUITS FOR NUCLEAR INSTRUMENTATION AND CONTROL SYSTEMS | Jul 18, 22 | Jan 18, 24 | Westinghouse Electric Company LLC |
| 2023/0352,200 | CONTROL SWITCHING DEVICE | Nov 30, 20 | Nov 02, 23 | MITSUBISHI ELECTRIC CORPORATION |
| 2023/0092,472 | Method and System for Intelligent Monitoring of State of Nuclear Power Plant | Dec 18, 20 | Mar 23, 23 | Not available |
| 2022/0037,045 | METHOD FOR MONITORING NUCLEAR POWER PLANT IN TRANSIENT STATE BY USING SIGNAL CLASSIFICATION | Oct 08, 19 | Feb 03, 22 | Not available |
| 2020/0176,141 | SCREEN SHARING SYSTEM OF DIGITAL MAIN CONTROL ROOM IN NUCLEAR POWER PLANT | May 25, 17 | Jun 04, 20 | Not available |
| 2020/0143,950 | Utilizing Decay Heat via Steam Cycles to Produce Electric Power on Site to Eliminate Accidents Caused by Station Blackout in Nuclear Power Plants | Jun 26, 18 | May 07, 20 | Not available |
| 2020/0135,353 | PASSIVE ELECTRICAL COMPONENT FOR SAFETY SYSTEM SHUTDOWN USING FARADAY'S LAW | Oct 31, 18 | Apr 30, 20 | Not available |
| 2018/0158,556 | ABNORMALITY DIAGNOSIS SYSTEM | May 06, 16 | Jun 07, 18 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 2017/0372,805 | Containment Internal Passive Heat Removal System | Nov 16, 15 | Dec 28, 17 | JOINT-STOCK COMPANY SCIENTIFIC RESEARCH AND DESIGN INSTITUTE FOR ENERGY TECHNOLOGIES ATOMPROEKT |
| 2017/0178,756 | MULTI-MODULAR POWER PLANT WITH DEDICATED ELECTRICAL GRID | Dec 05, 16 | Jun 22, 17 | NUSCALE POWER, LLC |
| 2015/0357,064 | WATER INTAKE INSTALLATION FOR COOLING A NUCLEAR POWER PLANT, AND NUCLEAR POWER PLANT COMPRISING SUCH AN INSTALLATION | Jan 22, 14 | Dec 10, 15 | ELECTRICITE DE FRANCE |
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
- 37 Months (last 2 years Issuances)
- 37 Months (last 5 years Issuances)