G21C3/32 - CPC Classification Index

ClassID:

200095 ⎘

G21C3/32 - 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

Sub-classes:

G21C3/3206 » {Means associated with the fuel bundle for filtering the coolant, e.g. nozzles, grids} 57
G21C3/3213 » {Means for the storage or removal of fission gases } 8
G21C3/322 » Means to influence the coolant flow through or around the bundles 164
G21C3/324 » Coats or envelopes for the bundles 38
G21C3/326 » 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 109
G21C3/33 » Supporting or hanging of elements in the bundle ; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles 40
G21C3/334 » Assembling the bundles 74
G21C3/335 » Exchanging elements in irradiated bundles 14
G21C3/336 » Spacer elements for fuel rods in the bundle 16
G21C3/34 » Spacer grids 41

Recent Application in this class:

20260155265

2026-06-04

ORDERED PARTICLE FUEL

20240233965

2024-07-11

NUCLEAR POWER GENERATOR, FUEL CARTRIDGES FOR NUCLEAR POWER GENERATOR, AND RELATED METHODS

20240203612

2024-06-20

Overlapping Twisted Fuel Rods

20240136077

2024-04-25

Nuclear power generator and fuel cartridges having variable electric load capacity to power a ship propeller

20230197296

2023-06-22

A cladding tube for a fuel rod for a nuclear reactor, a fuel rod, and a fuel assembly

20230104365

2023-04-06

Fission product getter formed by additive manufacturing

20220319723

2022-10-06

Lead-cooled fast reactor utilizing control drums

20210343433

2021-11-04

Defective fuel bundle location system

20210210221

2021-07-08

Control rod drive system for nuclear reactor

#10

20210174976

2021-06-10

Nuclear power generator, fuel cartridges, and cooling tubes for nuclear power generator, and related methods

#11

20200373023

2020-11-26

Fission product getter

#12

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

#13

20200211722

2020-07-02

Systems and methods for debris-free nuclear component handling

#14

20200194133

2020-06-18

Nuclear fuel assembly with balancing plate

#15

20200168351

2020-05-28

Nuclear fuel pellet, a fuel rod, and a fuel assembly

#16

20200027576

2020-01-23

Fuel assembly

#17

20190326024

2019-10-24

Nuclear reactor fuel assembly and method for producing same

#18

20190279780

2019-09-12

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

#19

20190139655

2019-05-09

Molten salt reactor

#20

20190115116

2019-04-18

Nuclear reactor system for extinguishing radioactivity

#21

20190115112

2019-04-18

Method of making a nuclear reactor fuel duct

#22

20180374596

2018-12-27

IRRADIATION TARGET HOLDERS AND METHODS OF USING THE SAME IN A NUCLEAR REACTOR STARTUP SOURCE HOLDER POSITION

#23

20180330832

2018-11-15

Annular nuclear fuel pellets with central burnable absorber

#24

20180226160

2018-08-09

Fuel assembly, core design method and fuel assembly design method of light-water reactor

#25

20180144837

2018-05-24

Neutron absorber member configured for insertion into a control rod guide tube of a spent fuel assembly

#26

20180144835

2018-05-24

Moving an entire nuclear reactor core as a unitary structure

#27

20170352437

2017-12-07

Rod assembly for nuclear reactors

#28

20170330640

2017-11-16

Molten salt reactor core with reflector

#29

20170330639

2017-11-16

Molten salt reactor

#30

20170321971

2017-11-09

Heat exchanger tube spacing device (varinats)

#31

20170301416

2017-10-19

Molten salt reactor

#32

20170263339

2017-09-14

Fission product getter

#33

20170206983

2017-07-20

METHOD AND FUEL DESIGN TO STABILIZE BOILING WATER REACTORS

#34

20170154690

2017-06-01

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

#35

20170062085

2017-03-02

Generating isotopes in an irradiation target holder installed in a nuclear reactor startup source holder position

#36

20160336080

2016-11-17

Bottom nozzle and light-water reactor fuel assembly

#37

20160329113

2016-11-10

SLIMM-Scalable Liquid Metal Cooled Small Modular Reactor

#38

20160055923

2016-02-25

Fuel channel for a nuclear power boiling water reactor

#39

20150325317

2015-11-12

NUCLEAR REACTOR

#40

20150170766

2015-06-18

Nuclear fuel core, nuclear fuel cartridge, and methods of fueling and/or defueling a nuclear reactor

#41

20150098546

2015-04-09

High temperature strength, corrosion resistant, accident tolerant nuclear fuel assembly grid

#42

20140185735

2014-07-03

Fuel assembly

#43

20140185734

2014-07-03

Fuel assembly

#44

20140169516

2014-06-19

FUEL RODS WITH VARYING AXIAL CHARACTERISTICS AND NUCLEAR FUEL ASSEMBLIES INCLUDING THE SAME

#45

20140056397

2014-02-27

Debris filter for nuclear reactor installation and nuclear fuel assembly comprising such a debris filter

#46

20130322590

2013-12-05

EXTENSION OF METHODS TO UTILIZE FULLY CERAMIC MICRO-ENCAPSULATED FUEL IN LIGHT WATER REACTORS

#47

20130070890

2013-03-21

GROOVED NUCLEAR FUEL ASSEMBLY COMPONENT INSERT

#48

20130003908

2013-01-03

Boiling water reactor core and fuel assemblies therefor

#49

20120093274

2012-04-19

Channel confinement method for dry-storage of BWR fuel bundles

#50

20120014496

2012-01-19

Fuel assembly

#51

20110299645

2011-12-08

Breeding Nuclear Fuel Mixture Using Metallic Thorium

#52

20110261921

2011-10-27

Fuel assembly

#53

20110249785

2011-10-13

Exposure boost zone for boiling water reactor nuclear bundles

#54

20110206175

2011-08-25

Radioisotope production structures, fuel assemblies having the same, and methods of using the same

#55

20110182396

2011-07-28

Guide thimble plug for nuclear fuel assembly

#56

20110180184

2011-07-28

SURFACE LASER TREATMENT OF ZR-ALLOY FUEL BUNDLE MATERIAL

#57

20110158375

2011-06-30

Fuel assembly

#58

20110075789

2011-03-31

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

#59

20100284503

2010-11-11

Radioisotope production structures, fuel assemblies having the same, and methods of using the same

#60

20100027733

2010-02-04

Channel confinement system and method for dry-storage of BWR fuel bundles

#61

20090257545

2009-10-15

Reinforcement for a nuclear fuel assembly

#62

20090135989

2009-05-28

Segmented fuel rod bundle designs using fixed spacer plates

#63

20080304612

2008-12-11

Nuclear fuel assembly including an internal reinforcing device

#64

20080137799

2008-06-12

Nuclear fuel assembly

#65

20070177711

2007-08-02

Fuel assembly and thimble screw of the same

#66

20070165766

2007-07-19

Nuclear fuel assemblies with structural support replacement rods

#67

20070076840

2007-04-05

Nuclear fuel assembly comprising a reinforcing mesh device and the use of one such device in a nuclear fuel assembly

#68

20060227923

2006-10-12

Nuclear fuel assembly low pressure drop top nozzle

#69

20060210009

2006-09-21

Boiling water reactor core and fuel assemblies therefor

#70

20060018422

2006-01-26

Nuclear fuel assembly end cap arrangement

#71

20050129166

2005-06-16

Fuel assembly for a pressurized-water nuclear reactor