ClassID:

200141

G21C3/623 - CPC Classification

Classification description:

Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements; Selection of substances for use as reactor fuel; Solid reactor fuel Pellets made of fissile material; Ceramic fuel Oxide fuels

Recent Application in this class:
#1
20260081043
2026-03-19

NON-LIQUID MANUFACTURE FOR URANIUM BEARING KERNEL

#2
20260008689
2026-01-08

INSTALLATION AND METHOD FOR CONVERTING URANIUM HEXAFLUORIDE TO URANIUM DIOXIDE

#3
20250382232
2025-12-18

METHOD FOR PREPARING A POWDER COMPRISING ONE OR MORE OXIDES SELECTED FROM URANIUM OXIDE UO2, PLUTONIUM OXIDE PuO2 AND MINOR ACTINIDE OXIDES

#4
20240327226
2024-10-03

COMPOSITE AMMONIUM DIURANATE GEL PARTICLES WITH A PHENOLIC RESIN PHASE, AND METHODS OF MAKING THE SAME

#5
20240257989
2024-08-01

METHOD FOR PREPARING UO2 MIXTURE POWDER FOR NUCLEAR FUEL MANUFACTURING BY MEANS OF IBC BLENDER, AND UO2 MIXTURE POWDER FOR NUCLEAR FUEL MANUFACTURING, PREPARED THEREBY

#6
20240105350
2024-03-28

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

#7
20230368932
2023-11-16

FUEL STRUCTURES COMPRISING URANIUM DIOXIDE AND URANIUM DIBORIDE, AND RELATED FUEL ROD ASSEMBLIES AND METHODS

#8
20230326619
2023-10-12

Processing ultra high temperature zirconium carbide microencapsulated nuclear fuel

#9
20230282380
2023-09-07

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

#10
20230110739
2023-04-13

Manufacture of particulate reference materials

#11
20230081699
2023-03-16

3D printing of additive structures for nuclear fuels

#12
20220367072
2022-11-17

REMIX - FUEL FOR A NUCLEAR FUEL CYCLE

#13
20220223303
2022-07-14

SINTERING ADDITIVE FOR FORMING FILM CAPABLE OF IMPROVING OXIDATION RESISTANCE OF NUCLEAR FUEL PELLETS, AND PREPARATION METHOD THEREFOR

#14
20220208401
2022-06-30

NUCLEAR FUEL PELLETS AND MANUFACTURING METHOD THEREOF

#15
20220198649
2022-06-23

Experimental set up for studying temperature gradient driven cracking

#16
20220084700
2022-03-17

CONTROL METHOD FOR VOLUME FRACTION OF MULTISTRUCTURAL ISOTROPIC FUEL PARTICLES IN FULLY CERAMIC MICROENCAPSULATED NUCLEAR FUELS, COMPOSITIONS FOR COATING AND SINTERED BODY OF THE SAME

#17
20220084699
2022-03-17

DEVICE, SYSTEM AND METHOD FOR DETECTING TRANSPORT BOATS

#18
20220005617
2022-01-06

Processing ultra high temperature zirconium carbide microencapsulated nuclear fuel

#19
20210398699
2021-12-23

Method and facility for converting uranium hexafluoride into uranium dioxide

#20
20210391093
2021-12-16

Equipment for producing nuclear fuel powder

#21
20210387863
2021-12-16

INSTALLATION AND METHOD FOR CONVERTING URANIUM HEXAFLUORIDE TO URANIUM DIOXIDE

#22
20210358646
2021-11-18

Manufacture of particulate reference materials

#23
20210347653
2021-11-11

METHOD AND FACILITY FOR CONVERTING URANIUM HEXAFLUORIDE INTO URANIUM DIOXIDE

#24
20210319919
2021-10-14

Composite Uranium Silicide-Uranium Dioxide Nuclear Fuel

#25
20210304905
2021-09-30

Uranium-dioxide pellet for nuclear fuel having improved nuclear-fission-gas adsorption property, and method of manufacturing same

#26
20210261490
2021-08-26

Method for producing monophase salts of actinides and device for producing same

#27
20210202116
2021-07-01

Nuclear fuel elements including protective structures, and related method of forming a nuclear fuel element

#28
20210202115
2021-07-01

Nuclear-fuel sintered pellets based on oxide in which fine precipitate material is dispersed in circumferential direction and method of manufacturing same

#29
20210166826
2021-06-03

Method for preparing a powder comprising particles of triuranium octoxide and particles of plutonium dioxide

#30
20210158978
2021-05-27

3D printing of additive structures for nuclear fuels

#31
20210125735
2021-04-29

Reactor fuel pellets with thermally-conductive inserts, and related reactor fuel pellet arrangements

#32
20210057115
2021-02-25

High density UO2 and high thermal conductivity UO2 composites by spark plasma sintering (SPS)

#33
20210005335
2021-01-07

Processing ultra high temperature zirconium carbide microencapsulated nuclear fuel

#34
20200321134
2020-10-08

FUEL PELLETS HAVING A HETEROGENEOUS COMPOSITION AND RELATED METHODS

#35
20200251233
2020-08-06

Methods of additively manufacturing a structure

#36
20200234833
2020-07-23

A sintered nuclear fuel pellet, a fuel rod, a fuel assembly, and a method of manufacturing a sintered nuclear fuel pellet

#37
20200111584
2020-04-09

COMPOSITE FUEL WITH ENHANCED OXIDATION RESISTANCE

#38
20200095133
2020-03-26

Treatment Method and Treatment Apparatus for Uranium Hexaflouride Residue Within Cylinder, Using Gas Phase Reaction

#39
20200058413
2020-02-20

Method of manufacturing a pelletized nuclear ceramic fuel

#40
20200027602
2020-01-23

Nuclear fuel pellet having enhanced thermal conductivity and method of manufacturing the same

#41
20200027578
2020-01-23

Methods of forming fuel rods comprising porous fuel materials

#42
20190131021
2019-05-02

System and method for nuclear reactor fuel having freeze-cast matrix impregnated with nucleotide-rich material

#43
20190127876
2019-05-02

Preparation method of monocrystal uranium dioxide nuclear fuel pellets

#44
20190074095
2019-03-07

COMPOSITE FUEL WITH ENHANCED OXIDATION RESISTANCE

#45
20190051421
2019-02-14

MOX fuel assembly

#46
20180268946
2018-09-20

Coated U3Si2 pellets with enhanced water and steam oxidation resistance

#47
20180226159
2018-08-09

Modular nuclear reactors including fuel elements and heat pipes extending through grid plates, and methods of forming the modular nuclear reactors

#48
20180193816
2018-07-12

DESIGNS OF EXOTHERMIC REACTORS

#49
20180090233
2018-03-29

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

#50
20180075930
2018-03-15

Heterogeneous core designs and thorium based fuels for heavy water reactors

#51
20180025797
2018-01-25

Methods of forming structures and fissile fuel materials by additive manufacturing

#52
20170345521
2017-11-30

Process for manufacturing a pellet of at least one metal oxide

#53
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

#54
20170287575
2017-10-05

Fully ceramic microencapsulated fuel fabricated with burnable poison as sintering aid

#55
20170287574
2017-10-05

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

#56
20170271034
2017-09-21

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

#57
20170249998
2017-08-31

COMPOSITION AND METHOD FOR MANUFACTURING LARGE-GRAINED URANIUM OXIDE NUCLEAR FUEL PELLET

#58
20170221590
2017-08-03

Fuel assembly for a nuclear power boiling water reactor

#59
20160372216
2016-12-22

Method for fabrication of oxide fuel pellets and the oxide fuel pellets thereby

#60
20160372215
2016-12-22

Method of preparing nuclear fuel pellet including thermal conductive metal and nuclear fuel pellet prepared thereby

#61
20160329112
2016-11-10

Process for preparing a metal oxide powder, process for manufacturing a metal oxide pellet, powder and pellet as obtained according to these processes and uses thereof

#62
20160314858
2016-10-27

Process for the synthesis of a mixed peroxide or hydroxo-peroxide of an actinyl and of at least one doubly, triply or quadruply charged metal cation, mixed peroxide or hydroxo-peroxide thus obtained and uses thereof

#63
20160272505
2016-09-22

Process for preparing a powder comprising a solid solution of uranium dioxide and of a dioxide of at least one other actinide and/or lanthanide element

#64
20160232993
2016-08-11

Nuclear fuel pellet having enhanced thermal conductivity, and preparation method thereof

#65
20150302942
2015-10-22

OXIDE NUCLEAR FUEL WHICH IS A REGULATOR OF CORROSIVE FISSION PRODUCTS, ADDITIVATED WITH AT LEAST ONE OXIDATION-REDUCTION SYSTEM

#66
20150170767
2015-06-18

Fully ceramic micro-encapsulated (FCM) fuel for CANDUs and other reactors

#67
20150097147
2015-04-09

COMPOSITION FILLED WITH ACTINIDE POWDER AND AROMATIC POLYMER AND/OR PMMA

#68
20140319237
2014-10-30

Method and device for generating droplets over a variable spectrum of particle sizes

#69
20140220230
2014-08-07

Nuclear fuel

#70
20140211904
2014-07-31

Heterogeneous core designs and thorium based fuels for heavy water reactors

#71
20140193570
2014-07-10

Jet spouted bed type reactor device having a specific profile for CVD

#72
20140183765
2014-07-03

Ceramic-ceramic composites and process therefor, nuclear fuels formed thereby, and nuclear reactor systems and processes operated therewith

#73
20140093733
2014-04-03

Porous UOsintered pellet for electroreduction process, and preparation method thereof

#74
20140070434
2014-03-13

Ionic liquids as templating agents in formation of uranium-containing nanomaterials

#75
20130240805
2013-09-19

Uranium dioxide nuclear fuel containing Mn and Al as additives and method of fabricating the same

#76
20130223582
2013-08-29

Fabrication method of burnable absorber nuclear fuel pellets and burnable absorber nuclear fuel pellets fabricated by the same

#77
20130101470
2013-04-25

Reaction chamber for exothermic material

#78
20130010914
2013-01-10

COMPOSITE MATERIALS, BODIES AND NUCLEAR FUELS INCLUDING METAL OXIDE AND SILICON CARBIDE AND METHODS OF FORMING SAME

#79
20120321031
2012-12-20

Nuclear fuel rod and method of manufacturing pellets for such a rod

#80
20120263271
2012-10-18

NUCLEAR FUEL

#81
20120257707
2012-10-11

Nuclear fuel and method of fabricating the same

#82
20120228788
2012-09-13

Method for preparing a porous nuclear fuel based on at least one minor actinide

#83
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

#84
20120183116
2012-07-19

COMPOSITE NUCLEAR FUEL PELLET

#85
20120163525
2012-06-28

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

#86
20120098149
2012-04-26

Method of controlling solubility of additives at and near grain boundaries, and method of manufacturing sintered nuclear fuel pellet having large grain size using the same

#87
20120090728
2012-04-19

Connection device for a system for filling jars for the production of nuclear fuel

#88
20110285040
2011-11-24

Method and arrangement for producing fuel kernels

#89
20110263837
2011-10-27

Method for preparing an actinide(s) oxalate and for preparing an actinide(s) compound

#90
20110169178
2011-07-14

Method for preparing a mixed fuel comprising uranium and at least one actinide and/or lanthanide applying a cation exchange resin

#91
20110121473
2011-05-26

Method for fabricating sintered annular nuclear fuel pellet through rod-inserted sintering

#92
20110110837
2011-05-12

Segmented reactors for capacity and enrichment changes in conversion of uranium hexafluoride to uranium dioxide

#93
20110080987
2011-04-07

MANUFACTURING METHOD OF NUCLEAR FUEL PELLET, FUEL ASSEMBLY FOR NUCLEAR REACTOR AND MANUFACTURING METHOD THEREOF AND URANIUM POWDER

#94
20100301288
2010-12-02

PREPARATION OF NUCLEAR FUEL COMPOSITION AND RECYCLING

#95
20100290578
2010-11-18

DEPLOYABLE ELECTRIC ENERGY REACTOR

#96
20100278704
2010-11-04

Two step dry UOproduction process utilizing a positive sealing valve means between steps

#97
20100123107
2010-05-20

Method and composition for moderated nuclear fuel

#98
20100091933
2010-04-15

METHOD OF PRODUCING LARGE-GRAINED NUCLEAR FUEL PELLET BY CONTROLLING CHROME CATION SOLUBILITY IN UO2 LATTICE

#99
20100077657
2010-04-01

Method for the production of spherical combustible or fertile material particles

#100
20100054389
2010-03-04

MIXED OXIDE FUEL ASSEMBLY

#101
20100044892
2010-02-25

Separating Device For Sintering Shoes

#102
20100032504
2010-02-11

Process for the manufacture of a particulate material and particulate material obtained by this process

#103
20090324953
2009-12-31

HIGH BURN-UP NUCLEAR FUEL PELLETS

#104
20090129533
2009-05-21

Nuclear fuel

#105
20090028284
2009-01-29

Method of controlling criticality of nuclear fuel cycle facility, method of producing uranium dioxide powder, reactor fuel rod, and fuel assembly

#106
20080185743
2008-08-07

Method of manufacturing sinter-active UOpowder and method of producing nuclear fuel pellets utilizing the same

#107
20080031398
2008-02-07

Use of boron or enriched boron 10 in UO2

#108
20080013666
2008-01-17

Method for in-situ production of hyperstoichiometric oxide fuel

#109
20070284766
2007-12-13

Method for the Production of Nuclear Fuel Pellets

#110
20070242791
2007-10-18

Process for Producing Pellets of a Nuclear Fuel Based on a (U, Pu)02 or (U, Th)02 Mixed Oxide

#111
20070131248
2007-06-14

Article and method

#112
20070064861
2007-03-22

High-density, solid solution nuclear fuel and fuel block utilizing same

#113
20050288542
2005-12-29

Method for coprecipitation of actinides in different oxidation states and method for preparation of mixed compounds of actinides

#114
20050217430
2005-10-06

Nuclear fuel and its manufacture

#115
20050167861
2005-08-04

MOX fuel fabrication process from weapon plutonium feed

#116
16101808
2020-11-24

Mn-doped oxide nuclear fuel

#117
13622034
2016-08-30

Separation of the rare-earth fission product poisons from spent nuclear fuel