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CPC
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Parent Industries
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PHYSICS
G21
Nuclear engineering
G21C
NUCLEAR REACTORS
Current Industry
G21C7/00
Control of nuclear reaction
Sub Industries
G21C7/005
Flux flattening
G21C7/02
by using self-regulating properties of reactor materials
G21C7/04
of burnable poisons
G21C7/06
by application of neutron-absorbing material
G21C7/08
by displacement of solid control elements
G21C7/10
Construction of control elements
G21C7/103
Control assemblies containing one or more absorbants as well as other elements
G21C7/107
Control elements adapted for pebble-bed reactors
G21C7/11
Deformable control elements
G21C7/113
Control elements made of flat elements Control elements having cruciform cross-section
G21C7/117
Clusters of control rods Spider construction
G21C7/12
Means for moving control elements to desired position
G21C7/14
Mechanical drive arrangements
G21C7/16
Hydraulic or pneumatic drive
G21C7/18
Means for obtaining differential movement of control elements
G21C7/20
Disposition of shock-absorbing devices Braking arrangements
G21C7/22
by displacement of a fluid or fluent neutron-absorbing material
G21C7/24
Selection of substances for use as neutron-absorbing material
G21C7/26
by displacement of the moderator or parts thereof by changing the moderator concentration
G21C7/27
Spectral shift control
G21C7/28
by displacement of the reflector or parts thereof
G21C7/30
by displacement of the reactor fuel or fuel elements
G21C7/32
by varying flow of coolant through the core by adjusting the coolant or moderator temperature
G21C7/34
by utilisation of a primary neutron source
G21C7/36
Control circuits
Industries
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Patents Grants
last 30 patents
Information
Patent Grant
Nuclear reactor protection systems and methods
Patent number
11,961,625
Issue date
Apr 16, 2024
NuScale Power, LLC
Gregory Wayne Clarkson
G05 - CONTROLLING REGULATING
Information
Patent Grant
Use of isolation condenser and/or feedwater to limit core flow, cor...
Patent number
11,955,248
Issue date
Apr 9, 2024
GE-Hitachi Nuclear Energy Americas LLC
Charles Lee Heck
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Control rod drive system for nuclear reactor
Patent number
11,935,663
Issue date
Mar 19, 2024
SMR INVENTEC, LLC
Krishna P. Singh
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Combined mounting/electrical distribution plate for powering intern...
Patent number
11,901,091
Issue date
Feb 13, 2024
BWXT mPower, Inc.
Scott J. Shargots
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Method of heating primary coolant outside of primary coolant loop d...
Patent number
11,901,088
Issue date
Feb 13, 2024
SMR INVENTEC, LLC
Krishna P. Singh
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Nuclear movable element position indication apparatus, system, and...
Patent number
11,862,350
Issue date
Jan 2, 2024
Westinghouse Electric Company LLC
Timothy S. Meyers
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Nuclear reactor passive reactivity control system
Patent number
11,862,354
Issue date
Jan 2, 2024
Ian Richard Scott
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Fast reactor with primary and backup control rods
Patent number
11,854,709
Issue date
Dec 26, 2023
Hitachi-GE Nuclear Energy, Ltd.
Koji Fujimura
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Reactor design with controlled thermal neutron flux for enhanced ne...
Patent number
11,848,112
Issue date
Dec 19, 2023
BWXT Advanced Technologies LLC
Craig D. Gramlich
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Enhanced graphite neutron reflector with beryllium oxide inclusions
Patent number
11,830,630
Issue date
Nov 28, 2023
Westinghouse Electric Company LLC
Yuriy Aleshin
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Device for magnetically removing a capsule containing Co-60 from a...
Patent number
11,817,223
Issue date
Nov 14, 2023
Westinghouse Electric Company LLC
Michael D. Heibel
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Method of removing foreign substances from CRDM and device for exec...
Patent number
11,817,222
Issue date
Nov 14, 2023
DOOSAN ENERBILITY CO., LTD.
Chae Ho Nam
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Micro-reactor core mechanical support
Patent number
11,810,681
Issue date
Nov 7, 2023
Westinghouse Electric Company LLC
Yuriy Aleshin
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Magneto-rheological nuclear reactivity distribution control elements
Patent number
11,798,693
Issue date
Oct 24, 2023
Westinghouse Electric Company LLC
Michael D. Heibel
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Molten fuel nuclear reactor
Patent number
11,798,694
Issue date
Oct 24, 2023
TerraPower, LLC.
Anselmo T. Cisneros
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Reflectors for molten chloride fast reactors
Patent number
11,791,057
Issue date
Oct 17, 2023
TerraPower, LLC.
Anselmo T. Cisneros
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
System that moves liquid fuel into and out of a nuclear reactor cor...
Patent number
11,791,056
Issue date
Oct 17, 2023
Thomas J Wielenga
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Method for dynamic pressure control in a fluid injector system
Patent number
11,779,702
Issue date
Oct 10, 2023
Bayer HealthCare LLC
William Barone
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Detachable connection in nuclear reactor control system
Patent number
11,756,697
Issue date
Sep 12, 2023
STATE ATOMIC ENERGY CORPORATION “ROSATOM” ON BEHALF OF THE RUSSIAN FEDERATION
Mikhail Yuryevich Kudryavtsev
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Nuclear reactor core support system providing radial and axial support
Patent number
11,742,098
Issue date
Aug 29, 2023
Westinghouse Electric Company LLC
Yuriy Aleshin
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Actuating mechanism of a system for the control and protection of a...
Patent number
11,735,325
Issue date
Aug 22, 2023
STATE ATOMIC ENERGY CORPORATION “ROSATOM” ON BEHALF OF THE RUSSIAN FEDERATION
Mikhail Yuryevich Kudryavtsev
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Nuclear reactor protection systems and methods
Patent number
11,728,051
Issue date
Aug 15, 2023
NuScale Power, LLC
Gregory Wayne Clarkson
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Methods of moving an induction coil to move a control element in a...
Patent number
11,728,050
Issue date
Aug 15, 2023
GE-Hitachi Nuclear Energy Americas LLC
Kenneth A. Morgan
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Replacement thermal sleeve for a reactor vessel closure head penetr...
Patent number
11,721,445
Issue date
Aug 8, 2023
Westinghouse Electric Company LLC
Eric M. Benacquista
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Stationary isolated rod couplings for use in a nuclear reactor cont...
Patent number
11,721,443
Issue date
Aug 8, 2023
GE-Hitachi Nuclear Energy Americas LLC
Kenneth A. Morgan
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Method for installing extension tube in a nuclear reactor
Patent number
11,721,444
Issue date
Aug 8, 2023
Westinghouse Electric Company LLC
Anthony J. Mastopietro
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Nuclear reactors having liquid metal alloy fuels and/or moderators
Patent number
11,710,577
Issue date
Jul 25, 2023
NuScale Power, LLC
Frederick Botha
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Method for regulating operating parameters of a nuclear reactor and...
Patent number
11,682,497
Issue date
Jun 20, 2023
Framatome
Alain Grossetete
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Method for calculating a PCI margin associated with a loading patte...
Patent number
11,670,429
Issue date
Jun 6, 2023
Schaeffler Technologies AG & Co. KG
Gilles Andre Poyaud
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Control rod damping system
Patent number
11,631,503
Issue date
Apr 18, 2023
NuScale Power, LLC
Ross Douglas Snuggerud
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Patents Applications
last 30 patents
Information
Patent Application
DEVICES, SYSTEMS, AND METHODS FOR THE ENHANCED OPERATION OF HYDRAUL...
Publication number
20240120116
Publication date
Apr 11, 2024
Westinghouse Electric Company LLC
Christopher P. MEIER
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
METHOD AND DEVICE TO CONTROL THE MOVEMENT OF CAPSULES CONTAINING CO...
Publication number
20240120119
Publication date
Apr 11, 2024
Westinghouse Electric Company LLC
Michael D. HEIBEL
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
METHOD FOR MEASURING DROP TIME OF A CONTROL ROD CLUSTER INTEGRATED...
Publication number
20240105351
Publication date
Mar 28, 2024
NUCLEAR POWER OPERATIONS RESEARCH INSTITUTE (NPRI)
Zhengke CHANG
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
METHOD FOR PERFORMING STAR/ARWV RECONCILIATION
Publication number
20240096512
Publication date
Mar 21, 2024
Westinghouse Electric Company LLC
Jeffery A. BROWN
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
NUCLEAR REACTOR PROTECTION SYSTEMS AND METHODS
Publication number
20240087761
Publication date
Mar 14, 2024
NuScale Power, LLC
Gregory Wayne Clarkson
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
THERMAL BRIDGE
Publication number
20240079153
Publication date
Mar 7, 2024
BAE Systems plc
Jeremy Henry Owston
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
METHOD OF REMOVING FOREIGN SUBSTANCES FROM CRDM AND DEVICE FOR EXEC...
Publication number
20240038407
Publication date
Feb 1, 2024
DOOSAN ENERBILITY CO., LTD.
Chae Ho NAM
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
WIRELESS POWER LEVEL AND POWER DISTRIBUTION MONITORING AND CONTROL...
Publication number
20240019594
Publication date
Jan 18, 2024
Westinghouse Electric Company LLC
MICHAEL D. HEIBEL
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
DEVICE FOR USE IN A FUEL ASSEMBLY OF NUCLEAR POWER PLANT, METHOD FO...
Publication number
20240006091
Publication date
Jan 4, 2024
Framatome GmbH
Bettina Hartmann
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
CLOSED-VESSEL MOLTEN SALT FISSION REACTOR
Publication number
20230411025
Publication date
Dec 21, 2023
BK Clean Energy LLC
Harry L. Bregman
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
IN-VESSEL NATURAL CIRCULATION ALKALI METAL REACTOR SYSTEM, PURIFICA...
Publication number
20230402197
Publication date
Dec 14, 2023
Jacob DeWitte
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
POOL TYPE LIQUID METAL COOLED MOLTEN SALT REACTOR
Publication number
20230395270
Publication date
Dec 7, 2023
John Benson
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
FUEL ELEMENT WITH MULTI-SMEAR DENSITY FUEL
Publication number
20230395269
Publication date
Dec 7, 2023
TerraPower, LLC
Jesse R. Cheatham
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
NUCLEAR REACTORS HAVING LIQUID METAL ALLOY FUELS AND/OR MODERATORS
Publication number
20230377763
Publication date
Nov 23, 2023
NuScale Power, LLC
Frederick Botha
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
NUCLEAR REACTOR PROTECTION SYSTEMS AND METHODS
Publication number
20230290527
Publication date
Sep 14, 2023
NuScale Power, LLC
Gregory Wayne Clarkson
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
System That Moves Liquid Fuel Into And Out Of A Nuclear Reactor Cor...
Publication number
20230282376
Publication date
Sep 7, 2023
Thomas J. Wielenga
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
MICROREACTOR WITH CONTROL NEUTRON ABSORBER ASSEMBLY INCLUDING A CON...
Publication number
20230282375
Publication date
Sep 7, 2023
Battelle Energy Alliance, LLC
Travis L. Lange
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
REACTOR OPERATION OPTIMIZATION METHOD BASED ON IMPROVED MULTI-POPUL...
Publication number
20230274848
Publication date
Aug 31, 2023
Harbin Engineering University
Genglei XIA
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
NUCLEAR REACTOR AND METHOD OF OPENING A NUCLEAR REACTOR
Publication number
20230268088
Publication date
Aug 24, 2023
Nicholas CAMP
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
NEUTRON MODERATORS COMPRISING A POROUS METAL HYDRIDE ARTICLE, NUCLE...
Publication number
20230268085
Publication date
Aug 24, 2023
Battelle Energy Alliance, LLC
Chase N. Taylor
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
NUCLEAR REACTOR PASSIVE REACTIVITY CONTROL SYSTEM
Publication number
20230260668
Publication date
Aug 17, 2023
Ian Richard SCOTT
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
CONTROL DRUM CONTROLLER FOR NUCLEAR REACTOR SYSTEM
Publication number
20230230714
Publication date
Jul 20, 2023
ULTRA SAFE NUCLEAR CORPORATION
Ethan Chaleff
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
METHOD AND DEVICE FOR REPLACING SLEEVES LINING NUCLEAR REACTOR PRES...
Publication number
20230170103
Publication date
Jun 1, 2023
Framatome Inc.
Wade MARKHAM
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
CONTROL ROD DAMPING SYSTEM
Publication number
20230162875
Publication date
May 25, 2023
NuScale Power, LLC
Ross Douglas Snuggerud
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
REACTOR CONTROL DEVICE
Publication number
20230162874
Publication date
May 25, 2023
Daniel ROBERTSON
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
CONTROL ROD REMOTE HOLDOUT MECHANISM
Publication number
20230133343
Publication date
May 4, 2023
BWXT Advanced Technologies LLC
Scott J. Shargots
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
CONTROL ROD REMOTE HOLDOUT MECHANISM
Publication number
20230139641
Publication date
May 4, 2023
BWXT Advanced Technologies LLC
Scott J. Shargots
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
CONTROL ROD REMOTE DISCONNECT MECHANISM
Publication number
20230137322
Publication date
May 4, 2023
BWXT Advanced Technologies LLC
Scott J. Shargots
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
REACTOR CORE
Publication number
20230134236
Publication date
May 4, 2023
Mitsubishi Heavy Industries, Ltd.
Hiromichi Gima
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
CONTROL ROD REMOTE DISCONNECT MECHANISM
Publication number
20230134417
Publication date
May 4, 2023
BWXT Advanced Technologies LLC
Scott J. Shargots
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING