ClassID:

200106

G21C3/328 - 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 comprising fuel elements of different composition; comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods Relative disposition of the elements in the bundle lattice

Recent Application in this class:
#1
20260142044
2026-05-21

CONTROL ROD ASSEMBLY WITH ENHANCED CONTROL ROD WORTH USING 28 NEUTRON ABSORBER RODS

#2
20250259758
2025-08-14

IMPROVED NUCLEAR FUEL ASSEMBLY WITH ENHANCED SEISMIC PERFORMANCE AND CONTROL ROD WORTH

#3
20250029738
2025-01-23

SMALL MODULAR REACTOR INCLUDING SMALL FUEL ASSEMBLIES

#4
20240420859
2024-12-19

Mixed Particle Nuclear Reactions

#5
20240420854
2024-12-19

THORIUM-BASED FUEL DESIGN FOR PRESSURIZED HEAVY WATER REACTORS

#6
20240404715
2024-12-05

FUEL ASSEMBLY AND NUCLEAR REACTOR CORE

#7
20240309665
2024-09-19

MODULAR MANUFACTURE, DELIVERY, AND ASSEMBLY OF NUCLEAR REACTOR BUILDING SYSTEMS

#8
20240266079
2024-08-08

Thorium-based fuel design for pressurized heavy water reactors

#9
20240105350
2024-03-28

Light water reactor fuel assembly, light water reactor core and MOX fuel assembly production method

#10
20240021328
2024-01-18

Thorium-based fuel design for pressurized heavy water reactors

#11
20230323695
2023-10-12

NUCLEAR FUEL ASSEMBLY WITH MULTI-PITCH WIRE WRAP

#12
20230091913
2023-03-23

BWR nuclear fuel assembly comprising an interaction device between a lower tie plate and a fuel channel

#13
20220367071
2022-11-17

Thorium-based fuel design for pressurized heavy water reactors

#14
20220108808
2022-04-07

Control rods for light water reactors

#15
20220084695
2022-03-17

Nuclear fuel assembly for a boiling water reactor with redundant load chain

#16
20220051812
2022-02-17

Nuclear fuel assembly with multi-pitch wire wrap

#17
20220051811
2022-02-17

MODULAR MANUFACTURE, DELIVERY, AND ASSEMBLY OF NUCLEAR REACTOR CORE SYSTEMS

#18
20220049516
2022-02-17

Modular manufacture, delivery, and assembly of nuclear reactor building systems

#19
20200234834
2020-07-23

Nuclear reactor fuel assemblies and process for production

#20
20200114074
2020-04-16

Method for dynamic pressure control in a fluid injector system

#21
20200027583
2020-01-23

ANNULAR METAL NUCLEAR FUEL AND METHODS OF MANUFACTURING THE SAME

#22
20200027576
2020-01-23

Fuel assembly

#23
20190326024
2019-10-24

Nuclear reactor fuel assembly and method for producing same

#24
20190189295
2019-06-20

Modular basket assembly for fuel assemblies

#25
20190139653
2019-05-09

Fuel assembly

#26
20190066853
2019-02-28

Control rods for light water reactors

#27
20190057784
2019-02-21

Nuclear fuel containing recycled and depleted uranium, and nuclear fuel bundle and nuclear reactor comprising same

#28
20190051421
2019-02-14

MOX fuel assembly

#29
20180356021
2018-12-13

Cross-over fluid coupling

#30
20180350474
2018-12-06

RECTANGULAR NUCLEAR REACTOR CORE

#31
20180301230
2018-10-18

Fuel channel assembly and fuel bundle for a nuclear reactor

#32
20180240557
2018-08-23

Nuclear fuel bundle containing thorium and nuclear reactor comprising same

#33
20180096744
2018-04-05

Fuel assembly for a nuclear boiling water reactor

#34
20180090233
2018-03-29

LIGHT WATER REACTOR FUEL ASSEMBLY, LIGHT WATER REACTOR CORE AND MOX FUEL ASSEMBLY PRODUCTION METHOD

#35
20180040385
2018-02-08

NUCLEAR FUEL CONTAINING A NEUTRON ABSORBER MIXTURE

#36
20170330637
2017-11-16

Fuel assembly for a nuclear boiling water reactor

#37
20170301419
2017-10-19

Method of operating a pressurized-water nuclear reactor allowing same to pass from a plutonium equilibrium cycle to a uranium equilibrium cycle and corresponding nuclear fuel assembly

#38
20170221590
2017-08-03

Fuel assembly for a nuclear power boiling water reactor

#39
20160284428
2016-09-29

A FUEL ASSEMBLY FOR A NUCLEAR REACTOR

#40
20160035441
2016-02-04

Fuel assembly

#41
20150348654
2015-12-03

Organically Cooled Nuclear Reactor for Enhanced Economics and Safety

#42
20150310941
2015-10-29

Nuclear fuel assembly having varying spacing between fuel rods

#43
20150228362
2015-08-13

Core of light water reactor and fuel assembly

#44
20150206604
2015-07-23

FUEL CHANNEL ASSEMBLY AND FUEL BUNDLE FOR A NUCLEAR REACTOR

#45
20140334595
2014-11-13

Fuel assembly

#46
20140064433
2014-03-06

Fuel Assembly and Core of Nuclear Reactor

#47
20140037039
2014-02-06

Fuel Assembly and Reactor Core

#48
20130308741
2013-11-21

NUCLEAR FUEL CONTAINING RECYCLED AND DEPLETED URANIUM, AND NUCLEAR FUEL BUNDLE AND NUCLEAR REACTOR COMPRISING SAME

#49
20130202076
2013-08-08

Nuclear fuel bundle containing thorium and nuclear reactor comprising same

#50
20120189089
2012-07-26

Method of operating a pressurized-water nuclear reactor allowing same to pass from a plutonium-equilibrium cycle to a uranium-equilibrium cycle and corresponding nuclear fuel assembly

#51
20120163525
2012-06-28

Method of operating a pressurized-water nuclear reactor for reaching a plutonium equilibrium cycle

#52
20120140868
2012-06-07

FUEL ROD AND FUEL ASSEMBLY

#53
20120063561
2012-03-15

FUEL ASSEMBLY

#54
20110317794
2011-12-29

NUCLEAR FUEL ASSEMBLY AND RELATED METHODS FOR SPENT NUCLEAR FUEL REPROCESSING AND MANAGEMENT

#55
20110164720
2011-07-07

Core of light water reactor and fuel assembly

#56
20110158375
2011-06-30

Fuel assembly

#57
20110129051
2011-06-02

Nuclear fuel assembly for boiling water reactor

#58
20090252282
2009-10-08

Fuel assembly

#59
20090135990
2009-05-28

Placement of target rods in BWR bundle

#60
20090041175
2009-02-12

Fuel Element for Pressurised Water Nuclear Reactors and Method of Loading Fuel Elements Into a Nuclear Reactor Core

#61
20090034675
2009-02-05

FUEL ASSEMBLY OF PRESSURIZED WATER REACTOR AND METHOD OF DESIGNING FUEL ASSEMBLY

#62
20080205576
2008-08-28

Boiling water reactor, core of boiling water reactor and fuel assembly

#63
20080159462
2008-07-03

Single cycle and equilibrium fuel loading method and system to reduce cycle outage in a boiling water nuclear reactor

#64
20080152070
2008-06-26

Assembly and method for mounting a fuel assembly having a predefined orientation within a nuclear reactor

#65
20080144763
2008-06-19

Method for perturbating a nuclear reactor core fuel bundle design to generate a group of designs

#66
20080137792
2008-06-12

Method for improving energy output of a nuclear reactor, method for determining natural uranium blanket layer for a fuel bundle, and a fuel bundle having a variable blanket layer

#67
20070195919
2007-08-23

Fuel assembly for a pressurized water nuclear reactor containing plutonium-free enriched uranium

#68
20050157838
2005-07-21

Axially segregated part-length fuel rods in a reactor fuel bundle

#69
20050157837
2005-07-21

Distributed clumping of part-length rods for a reactor fuel bundle

#70
20050129166
2005-06-16

Fuel assembly for a pressurized-water nuclear reactor