ClassID:

200164

G21C7/10 - CPC Classification

Classification description:

Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods Construction of control elements

Sub-classes:
Recent Application in this class:
#1
20250201430
2025-06-19

NEUTRON ABSORBER AND NEUTRON ABSORPTION CONTROL ROD FOR NUCLEAR REACTOR

#2
20250087377
2025-03-13

MIXED-SPECTRUM MOLTEN SALT REACTOR

#3
20250006384
2025-01-02

A REACTOR CONTROL SYSTEM

#4
20240266081
2024-08-08

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

#5
20230268085
2023-08-24

NEUTRON MODERATORS COMPRISING A POROUS METAL HYDRIDE ARTICLE, NUCLEAR REACTORS INCLUDING THE SAME, AND RELATED METHODS

#6
20230170103
2023-06-01

Method and device for replacing sleeves lining nuclear reactor pressure vessel tubes

#7
20230132308
2023-04-27

AN ASSEMBLY FOR CONTROLLING DISENGAGEMENT BETWEEN A CONTROL CLUSTER AND A DRIVE ROD OF A DEVICE FOR CONTROLLING THE REACTIVITY OF A NUCLEAR REACTOR

#8
20220406477
2022-12-22

Methods and devices to improve performances of RCCA and CEA to mitigate clad strain in the high fluence region

#9
20220328201
2022-10-13

Nuclear Fuel Assembly with a Reinforcement Device

#10
20220130560
2022-04-28

Detachable connection in nuclear reactor control system

#11
20220108808
2022-04-07

Control rods for light water reactors

#12
20220059246
2022-02-24

CONTROL DRUM ASSEMBLY AND ASSOCIATED NUCLEAR REACTORS AND METHODS

#13
20220005616
2022-01-06

Method for installing extension tube in a nuclear reactor

#14
20210375496
2021-12-02

Method for installing extension tube in a nuclear reactor

#15
20210366624
2021-11-25

Nuclear reactor, guide tube support, and corresponding maintenance method

#16
20210210221
2021-07-08

Control rod drive system for nuclear reactor

#17
20210125739
2021-04-29

Method and device for replacing sleeves lining nuclear reactor pressure vessel tubes

#18
20210074439
2021-03-11

Nuclear reactor component having a coating of amorphous chromium carbide

#19
20200373028
2020-11-26

Space reactor gas assist control rod release mechanism

#20
20200328000
2020-10-15

Nuclear reactor, with control and shutdown rods external to the core and core supporting structures

#21
20200114074
2020-04-16

Method for dynamic pressure control in a fluid injector system

#22
20200035369
2020-01-30

Method of using DLI-MOCVD to provide a nuclear reactor component with a coating of amorphous chromium carbide

#23
20190311816
2019-10-10

Load-following nuclear reactor system using thermal expansion-based neutron reflector movement and fuel assembly interval adjustment mechanisms and liquid metal primary coolant

#24
20190221352
2019-07-18

Electromagnetic coil assembly for control rod driving mechanism and method of manufacturing the same

#25
20190206579
2019-07-04

Nuclear reactor module with a cooling chamber for a drive motor of a control rod drive mechanism

#26
20190115113
2019-04-18

Magneto-rheological nuclear reactivity distribution control elements

#27
20190066853
2019-02-28

Control rods for light water reactors

#28
20180274053
2018-09-27

Dispersion strengthened austenitic stainless steel article, method for manufacturing same and product made of same

#29
20180261338
2018-09-13

Extruded guide frame and manufacturing methods thereof

#30
20180075931
2018-03-15

Heat pipe molten salt fast reactor with stagnant liquid core

#31
20180061511
2018-03-01

In-vessel rod handling systems

#32
20170330642
2017-11-16

Secondary startup neutron source

#33
20170213610
2017-07-27

Nuclear power generation system utilizing thermal expansion in metallic members to move a neutron reflector

#34
20170167005
2017-06-15

AUSTENITIC STAINLESS STEEL AND METHOD FOR PRODUCING THE SAME

#35
20160365161
2016-12-15

Non-intrusive error detection techniques for control and shutdown rod position in nuclear reactors

#36
20160254065
2016-09-01

Control rod/control rod drive mechanism couplings

#37
20160163405
2016-06-09

Method for treating an absorber pin containing contaminated boron carbide and sodium

#38
20150262719
2015-09-17

Nuclear reactor control rod with SIC fiber reinforced structure

#39
20150221399
2015-08-06

In-vessel control rod drive mechanism and nuclear reactor with the same

#40
20150206605
2015-07-23

Control rod/control rod drive mechanism couplings

#41
20150016582
2015-01-15

Cooling duct assembly for control element drive mechanism

#42
20140254736
2014-09-11

Method for producing, from a preform made of austenitic stainless steel with a low carbon content, a wear-resistant and corrosion-resistant cladding for a nuclear reactor, corresponding cladding and corresponding control cluster

#43
20140062464
2014-03-06

Apparatus for detecting a magnetically conductive object and position measuring system for measuring the position of a guide rod and associated position measuring method

#44
20130335181
2013-12-19

Coil assembly for a control rod driver having improved thermal resistance, and method for manufacturing the same

#45
20130329847
2013-12-12

Nuclear control rod with flexure joint

#46
20130301785
2013-11-14

Suspended upper internals for compact nuclear reactor including a mid-hanger plate

#47
20130294566
2013-11-07

CONTROL ROD DRIVE (CRD) TUBES, METHOD OF MANUFACTURE, AND INSTALLATION THEREOF

#48
20130288880
2013-10-31

SiC ceramic material, SiC ceramic structure, and their fabrication methods

#49
20130271120
2013-10-17

Position measuring system and associated measuring method for detecting an indicated position of a linearly movable guide element

#50
20130208848
2013-08-15

Solid interface joint with open pores for nuclear control rod

#51
20130148773
2013-06-13

Control rod with outer hafnium skin

#52
20130148772
2013-06-13

Systems and methods of monitoring control rods of a nuclear power plant

#53
20130114780
2013-05-09

NUCLEAR CORE COMPONENT

#54
20130070890
2013-03-21

GROOVED NUCLEAR FUEL ASSEMBLY COMPONENT INSERT

#55
20130058449
2013-03-07

Fuel assembly, a guide thimble device and use of the guide thimble device

#56
20130051513
2013-02-28

REACTOR COMPONENT

#57
20130051512
2013-02-28

NEUTRON ABSORBING COMPONENT AND A METHOD FOR PRODUCING A NEUTRON ABSORBING COMPONENT

#58
20130016803
2013-01-17

CONTROL ROD BLADE EXTENSION FOR A NORDIC NUCLEAR REACTOR

#59
20120288051
2012-11-15

Control rod for a pressurized water nuclear reactor

#60
20120281805
2012-11-08

Neutron absorber consisting of refractory metal infused with discrete neutron absorber

#61
20120207263
2012-08-16

Control rod for high temperature gas reactor

#62
20120181788
2012-07-19

Joint structure

#63
20120148012
2012-06-14

Control rod

#64
20120067139
2012-03-22

Method and system for evaluating a play

#65
20110298307
2011-12-08

Cooling unit for nuclear reactor control rod driving apparatus

#66
20110170652
2011-07-14

Neutron absorber consisting of refractory metal infused with discrete neutron absorber

#67
20110122986
2011-05-26

METHOD OF INHIBITING ADHESION OF RADIOACTIVE SUBSTANCE AND APPARATUS INHIBITED FROM SUFFERING ADHESION THEREOF

#68
20100316179
2010-12-16

Control rod blade extension for a nordic nuclear reactor

#69
20100269960
2010-10-28

Method for surface processing a zirconium or hafnium alloy, and component processed in this manner

#70
20100067644
2010-03-18

Thorium-based nuclear reactor and method

#71
20100020916
2010-01-28

NUCLEAR REACTOR FUEL ASSEMBLY GRID

#72
20090190710
2009-07-30

Fast reactor having reactivity control reflector

#73
20090175403
2009-07-09

Reactivity control arrangement and fast reactor

#74
20090046824
2009-02-19

Nuclear reactor robust gray control rod

#75
20090034674
2009-02-05

NUCLEAR REACTOR CONTROL ROD

#76
20070286325
2007-12-13

Control Rod for a Nuclear Plant

#77
20070036260
2007-02-15

Advanced gray rod control assembly

#78
20060062344
2006-03-23

Control rod absorber stack support

#79
20050135547
2005-06-23

Control element for a nuclear reactor

#80
20050117684
2005-06-02

Reactor head with integral nozzles

#81
20050084056
2005-04-21

Reactor head with integral nozzles