ClassID:

200112

G21C3/334 - CPC Classification

Classification description:

Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements; Assemblies of a number of fuel elements in the form of a rigid unit; Bundles of parallel pin-, rod-, or tube-shaped fuel elements Assembling the bundles

Recent Application in this class:
#1
20250029740
2025-01-23

MANDREL-WOUND, SPLINED MONOLITHIC FUEL ASSEMBLY CORE, FUEL ASSEMBLY AND REACTOR INCORPORATING SAME, AND METHODS OF MANUFACTURE

#2
20250029739
2025-01-23

DEVICE FOR ASSEMBLING AND DISASSEMBLING TOP NOZZLE OF NUCLEAR FUEL ASSEMBLY

#3
20240127974
2024-04-18

Reactor design with controlled thermal neutron flux for enhanced neutron activation potential

#4
20230395273
2023-12-07

DEVICE FOR EXTRACTING A NUCLEAR FUEL ROD OR A CLUSTER ROD AND EXTRACTION METHOD USING SUCH AN EXTRACTION DEVICE

#5
20230352198
2023-11-02

NUCLEAR FUEL ASSEMBLY MANUFACTURING METHOD, NUCLEAR FUEL ASSEMBLY MANUFACTURING PLANT AND METHOD OF EXPANDING SUCH A PLANT

#6
20230282380
2023-09-07

FUEL BUNDLE WITH TWISTED RIBBON FUEL RODLETS FOR NUCLEAR THERMAL PROPULSION APPLICATIONS, STRUCTURES FOR MANUFACTURE, AND METHODS OF MANUFACTURE

#7
20230282373
2023-09-07

FUEL BUNDLE WITH TWISTED RIBBON FUEL RODLETS FOR NUCLEAR THERMAL PROPULSION APPLICATIONS, STRUCTURES FOR MANUFACTURE, AND METHODS OF MANUFACTURE

#8
20230230713
2023-07-20

THREE DIMENSIONAL PRINTED PRECISION MAGNETS FOR FUEL ASSEMBLY

#9
20230207143
2023-06-29

INTERNAL ELECTRODE INSERTION DEVICE FOR WELDING EQUIPMENT FOR SKELETON OF NUCLEAR FUEL ASSEMBLY

#10
20230122593
2023-04-20

THREE DIMENSIONAL PRINTED PRECISION MAGNETS FOR FUEL ASSEMBLY

#11
20220392655
2022-12-08

Light-water reactor nuclear fuel rod loading force measuring apparatus

#12
20220392652
2022-12-08

Tube grid cell for a nuclear fuel bundle

#13
20220130559
2022-04-28

Nuclear reactor fuel assembly manufacturing method

#14
20220059245
2022-02-24

Method and assembling system for inserting at least one nuclear fuel rod into spacer grids of a nuclear fuel assembly

#15
20220051812
2022-02-17

Nuclear fuel assembly with multi-pitch wire wrap

#16
20210142918
2021-05-13

NUCLEAR FUEL ASSEMBLY MANUFACTURING METHOD, NUCLEAR FUEL ASSEMBLY MANUFACTURING PLANT AND METHOD OF EXPANDING SUCH A PLANT

#17
20210122653
2021-04-29

Modular water purification system for nuclear power plants

#18
20210088431
2021-03-25

Apparatus for fatigue testing bulge tool having WH-type skeleton

#19
20210065920
2021-03-04

Nuclear fuel rod end distance adjusting device

#20
20200373032
2020-11-26

System for separating and coupling top nozzle of nuclear fuel assembly

#21
20200350088
2020-11-05

Pellet handling apparatus and fuel rod loading method

#22
20200286637
2020-09-10

SYSTEMS AND METHODS FOR UNDERWATER TOOL POSITIONING

#23
20200203030
2020-06-25

Pellet handling apparatus and fuel rod loading method

#24
20200194133
2020-06-18

Nuclear fuel assembly with balancing plate

#25
20200043617
2020-02-06

Method of installing an external dashpot tube around a control rod guide tube in a nuclear fuel assembly

#26
20190326024
2019-10-24

Nuclear reactor fuel assembly and method for producing same

#27
20190279780
2019-09-12

Fuel assembly design concept and mixed cycle length operation method for long cycle length pressurized water reactor operation

#28
20190189295
2019-06-20

Modular basket assembly for fuel assemblies

#29
20190122776
2019-04-25

Base plate mounted core components for reliable rod assembly and rapid field disassembly

#30
20190115112
2019-04-18

Method of making a nuclear reactor fuel duct

#31
20190043627
2019-02-07

Device and method for underwater repair of hole of a nuclear reactor part

#32
20190019585
2019-01-17

Mitigation assembly for nuclear reactor comprising a removable sealing plug

#33
20190013106
2019-01-10

Nuclear reactor assembly having a reversible weldless connection between a casing and an element inserted therein

#34
20180254112
2018-09-06

Three dimensional printed precision magnets for fuel assembly

#35
20180197640
2018-07-12

Fuel assembly with an external dashpot disposed around a guide tube portion

#36
20170352442
2017-12-07

Fuel Assembly For An SFR Nuclear Reactor, Comprising A Housing Containing A Removably Fastened Upper Neutron Shielding Device

#37
20170291249
2017-10-12

Method of monitoring of resistance welding quality of nuclear fuel rod

#38
20170287575
2017-10-05

Fully ceramic microencapsulated fuel fabricated with burnable poison as sintering aid

#39
20170271034
2017-09-21

Method of making a nuclear fuel pellet for a nuclear power reactor

#40
20170194064
2017-07-06

Measurement apparatus for determining compressive loading that will be applied to a fuel rod of a pressurized water reactor

#41
20170154690
2017-06-01

Method and device for storing containers having an encapsulated fuel rod or a fuel rod section

#42
20170032852
2017-02-02

Combination of top nozzle and guide thimble for nuclear fuel assembly

#43
20160240271
2016-08-18

Method for manufacturing core barrel and core barrel

#44
20160232992
2016-08-11

Structure of top nozzle for nuclear fuel assembly

#45
20160155519
2016-06-02

Spot welding gun and welding method for the nuclear fuel skeleton

#46
20160055923
2016-02-25

Fuel channel for a nuclear power boiling water reactor

#47
20150302941
2015-10-22

Nuclear reactor fuel assembly

#48
20140192945
2014-07-10

Fuel rod auto-loading apparatus for nuclear fuel assembly

#49
20140190945
2014-07-10

Plasma welding apparatus for guide thimble and guide thimble end plug of nuclear fuel assembly

#50
20140185734
2014-07-03

Fuel assembly

#51
20130315364
2013-11-28

Device for turning a container, particularly for nuclear fuel assembly, turning assembly, and nuclear power plant

#52
20130270241
2013-10-17

Installation for welding nuclear fuel assembly skeletons, and corresponding methods of programming, of skeleton welding, and of making a fuel assembly

#53
20130077732
2013-03-28

Bundle retention clip, fuel assembly including the same, and method of assembling fuel assembly

#54
20110261920
2011-10-27

Connecting device for connecting a guide tube to a lower end nozzle in a nuclear fuel assembly

#55
20110243293
2011-10-06

Systems and Methods for Servicing a Fuel Assembly in a Light Water Reactor

#56
20110216873
2011-09-08

Protective grid attachment

#57
20110150163
2011-06-23

Process for application of lubricant to fuel rod during fuel assembly loading process

#58
20110103537
2011-05-05

Channel seating tool for nuclear fuel assembly and method for seating channel on the assembly

#59
20110075789
2011-03-31

Module for forming a nuclear fuel assembly and corresponding nuclear fuel assembly

#60
20100246747
2010-09-30

Nuclear fuel rod spacer grid and framework and assembly comprising such a grid

#61
20100246742
2010-09-30

System for assembling or disassembling a segmented rod

#62
20100119031
2010-05-13

Coupling structure of fuel assembly

#63
20100111243
2010-05-06

Fixed cluster having a spider-like support, corresponding pressurized water nuclear reactor core and assembly comprising a nuclear fuel assembly and such a fixed cluster

#64
20100096369
2010-04-22

Multi-axis laser welding head for spacer grid

#65
20090323887
2009-12-31

Nuclear core component hold-down assembly

#66
20090252275
2009-10-08

Chemical enhancement of ultrasonic fuel cleaning

#67
20090122947
2009-05-14

Joining Structure Between Top Nozzle and Guide Thimbles In Nuclear Fuel Assembly

#68
20090080590
2009-03-26

Method and apparatus to shield a nuclear fuel assembly with removable debris shield in upper tie

#69
20090060111
2009-03-05

Channel seating tool for nuclear fuel assembly and method for seating channel on the assembly

#70
20080137799
2008-06-12

Nuclear fuel assembly

#71
20080056428
2008-03-06

Fuel element for a light water reactor, and method for repairing the fuel element

#72
20070286326
2007-12-13

Nuclear fuel assembly control rod drive thimble to bottom nozzle connector

#73
20070263760
2007-11-15

Installation for Welding Frameworks of Nuclear Fuel Assemblies, Programming Method, Corresponding Methods for Framework Welding and Assembling

#74
20070237283
2007-10-11

Apparatus and method for moving a ferromagnetic element

#75
20050238131
2005-10-27

Grid insert for the lowermost grid in a fuel assembly

#76
20050129163
2005-06-16

Fuel assembly top nozzle repair sleeve and method for repairing a fuel assembly