ClassID:

200072

G21C3/04 - CPC Classification

Classification description:

Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements; Fuel elements Constructional details

Sub-classes:
Recent Application in this class:
#1
20260148871
2026-05-28

HEAT EXCHANGERS

#2
20240308136
2024-09-19

COMPOSITIONS FOR ADDITIVE MANUFACTURING AND METHODS OF ADDITIVE MANUFACTURING, PARTICULARLY OF NUCLEAR REACTOR COMPONENTS

#3
20240266077
2024-08-08

FUNCTIONALLY GRADED LATTICE CERMET FUEL STRUCTURE WITH SHAPE CORRESPONDING TO A MATHEMATICALLY-BASED PERIODIC SOLID, PARTICULARLY FOR NUCLEAR THERMAL PROPULSION APPLICATIONS

#4
20240038406
2024-02-01

Functionally graded lattice cermet fuel structure with shape corresponding to a mathematically-based periodic solid, particularly for nuclear thermal propulsion applications

#5
20240038405
2024-02-01

Functionally graded lattice cermet fuel structure with shape corresponding to a mathematically-based periodic solid, particularly for nuclear thermal propulsion applications

#6
20230395269
2023-12-07

FUEL ELEMENT WITH MULTI-SMEAR DENSITY FUEL

#7
20230147092
2023-05-11

SYSTEM AND METHOD FOR ENERGY CONVERSION USING AN ANEUTRONIC NUCLEAR FUEL

#8
20220351870
2022-11-03

Functionally graded lattice cermet fuel structure with shape corresponding to a mathematically-based periodic solid, particularly for nuclear thermal propulsion

#9
20220139575
2022-05-05

Fuel assembly with outer channel including reinforced sidewall and non-reinforced sidewall

#10
20220093281
2022-03-24

System and method for energy conversion using an aneutronic nuclear fuel

#11
20210366623
2021-11-25

Nuclear reactor fuel assembly

#12
20210304909
2021-09-30

Robust nuclear propulsion fission reactor with tri-pitch patterned core and drum absorbers

#13
20200373024
2020-11-26

Molten metal fuel buffer in fission reactor and method of manufacture

#14
20200365290
2020-11-19

Functionally graded lattice cermet fuel structure with shape corresponding to a mathematically-based periodic solid, particularly for nuclear thermal propulsion applications

#15
20200365283
2020-11-19

Method of configuring sidewalls of an outer channel of a fuel assembly

#16
20200353681
2020-11-12

Compositions for additive manufacturing and methods of additive manufacturing, particularly of nuclear reactor components

#17
20200203028
2020-06-25

Additive manufacturing technique for placing nuclear reactor fuel within fibers

#18
20200185114
2020-06-11

Removing heat from a nuclear reactor by having molten fuel pass through plural heat exchangers before returning to core

#19
20200135346
2020-04-30

VVER-1000 fuel assembly bottom nozzle

#20
20200075188
2020-03-05

In-containment spent fuel storage to limit spent fuel pool water makeup

#21
20200075182
2020-03-05

NUCLEAR FUEL ROD FOR FAST REACTORS INCLUDING METALLIC FUEL SLUG COATED WITH PROTECTIVE COATING LAYER AND FABRICATION METHOD THEREOF

#22
20200027577
2020-01-23

Fuel element with multi-smear density fuel

#23
20200005952
2020-01-02

In-containment spent fuel storage to limit spent fuel pool water makeup

#24
20190115112
2019-04-18

Method of making a nuclear reactor fuel duct

#25
20190047070
2019-02-14

Welded joint between a fuel element casing and a plug

#26
20180330832
2018-11-15

Annular nuclear fuel pellets with central burnable absorber

#27
20180315514
2018-11-01

SPHERICAL FUEL ELEMENT FORMING APPARATUS

#28
20180019025
2018-01-18

Nuclear reactor configured to have molten fuel pass through plural heat exchangers before returning to core

#29
20170352437
2017-12-07

Rod assembly for nuclear reactors

#30
20170352436
2017-12-07

Method and system for providing fuel in a nuclear reactor

#31
20170345521
2017-11-30

Process for manufacturing a pellet of at least one metal oxide

#32
20170301415
2017-10-19

Nuclear fuel particle having a pressure vessel comprising layers of pyrolytic graphite and silicon carbide

#33
20170249998
2017-08-31

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

#34
20170206983
2017-07-20

METHOD AND FUEL DESIGN TO STABILIZE BOILING WATER REACTORS

#35
20170062080
2017-03-02

Fuel element with multi-smear density fuel

#36
20170025192
2017-01-26

Method for fabrication of fully ceramic microencapsulation nuclear fuel

#37
20160379726
2016-12-29

Modeling for fuel element deformation

#38
20160372221
2016-12-22

Methods of forming triuranium disilicide structures, and related fuel rods for light water reactors

#39
20160372215
2016-12-22

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

#40
20160351278
2016-12-01

Active zone of lead-cooled fast reactor

#41
20160307653
2016-10-20

Fuel channel annulus spacer

#42
20160225468
2016-08-04

Fuel rod cladding, fuel rod and fuel assembly

#43
20160203879
2016-07-14

Optimized fuel assembly channels and methods of creating the same

#44
20160099081
2016-04-07

Moderating fuel rods including metal hydride and methods of moderating fuel bundles of boiling water reactors using the same

#45
20160055923
2016-02-25

Fuel channel for a nuclear power boiling water reactor

#46
20160012924
2016-01-14

Electric fission reactor for space applications

#47
20150221398
2015-08-06

High density UOand high thermal conductivity UOcomposites by spark plasma sintering (SPS)

#48
20150213908
2015-07-30

Fuel channel annulus spacer

#49
20150179288
2015-06-25

Spherical Fuel Reactor

#50
20150170767
2015-06-18

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

#51
20140262007
2014-09-18

Methods of fine forming sapphire tubes and joining sapphire components for nuclear reactor fuel elements and assemblies

#52
20140205054
2014-07-24

Nuclear fuel rod for fast reactors including metallic fuel slug coated with protective coating layer and fabrication method thereof

#53
20140185735
2014-07-03

Fuel assembly

#54
20140185734
2014-07-03

Fuel assembly

#55
20140185733
2014-07-03

NUCLEAR FUEL ELEMENT

#56
20140153687
2014-06-05

FUEL COMPONENT AND METHOD OF MANUFACTURING OF A FUEL COMPONENT

#57
20130240805
2013-09-19

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

#58
20130070890
2013-03-21

GROOVED NUCLEAR FUEL ASSEMBLY COMPONENT INSERT

#59
20120263271
2012-10-18

NUCLEAR FUEL

#60
20120020447
2012-01-26

Optimized fuel assembly channels and methods of creating the same

#61
20120020446
2012-01-26

Method and system for providing fuel in a nuclear reactor

#62
20110311015
2011-12-22

FUEL CHANNEL ANNULUS SPACER

#63
20110194666
2011-08-11

Sheathed, annular metal nuclear fuel

#64
20110176650
2011-07-21

Nuclear reactor green and sintered fuel pellets, corresponding fuel rod and fuel assembly

#65
20110158375
2011-06-30

Fuel assembly

#66
20100290578
2010-11-18

DEPLOYABLE ELECTRIC ENERGY REACTOR

#67
20100208861
2010-08-19

Method and system for providing fuel in a nuclear reactor

#68
20100135452
2010-06-03

Liquid-metal-cooled fast reactor core comprising nuclear fuel assembly with nuclear fuel rods with varying fuel cladding thickness in each of the reactor core regions

#69
20100030008
2010-02-04

Segmented waste rods for handling nuclear waste and methods of using and fabricating the same

#70
20100014625
2010-01-21

Spherical fuel element and production thereof for gas-cooled high temperature pebble bed nuclear reactors (HTR)

#71
20090274262
2009-11-05

Fuel element of the macrostructured plate type

#72
20090252280
2009-10-08

Detachable nuclear reactor fuel assembly component

#73
20090080592
2009-03-26

Swelling-resistant nuclear fuel

#74
20080123796
2008-05-29

Method and system for providing fuel in a nuclear reactor

#75
20080089461
2008-04-17

Fuel rods for nuclear reactor fuel assemblies and methods of manufacturing thereof

#76
16720696
2020-09-15

Thorium fuel rod structure and assembly

#77
16720339
2020-10-13

Thorium fuel rod structure and assembly

#78
16554734
2020-07-21

Thorium fuel rod structure and assembly