ClassID:

200088

G21C3/18 - CPC Classification

Classification description:

Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements; Fuel elements; Constructional details; Details of the construction within the casing Internal spacers or other non-active material within the casing, e.g. compensating for expansion of fuel rods or for compensating excess reactivity

Recent Application in this class:
#1
20260148872
2026-05-28

NUCLEAR FUEL ASSEMBLY AND A METHOD OF MANUFACTURE THEREOF

#2
20250046479
2025-02-06

METHOD AND MACHINE FOR TESTING A SPACER GRID OF A NUCLEAR FUEL ASSEMBLY

#3
20250035537
2025-01-30

Coupon Sampler, System and Methods of Use Thereof

#4
20250022622
2025-01-16

Fission Reactor with Segmented Cladding Bodies Having Cladding Arms with Involute Curve Shape

#5
20250022621
2025-01-16

NUCLEAR FUEL ELEMENT

#6
20230335304
2023-10-19

METHOD FOR IMPROVING THE WITHSTANDING CAPABILITY OF THE CLADDING MATERIAL IN THE FAST NEUTRON IRRADIATION ENVIRONMENT

#7
20230178259
2023-06-08

Method and machine for testing a spacer grid of a nuclear fuel assembly

#8
20230104365
2023-04-06

Fission product getter formed by additive manufacturing

#9
20230081699
2023-03-16

3D printing of additive structures for nuclear fuels

#10
20230036331
2023-02-02

A NUCLEAR FUEL ASSEMBLY AND A METHOD OF MANUFACTURE THEREOF

#11
20220254524
2022-08-11

Passive reactivity control in a nuclear fission reactor

#12
20220189648
2022-06-16

NUCLEAR FUEL RODS AND RELATED METHODS

#13
20220139576
2022-05-05

Fission reactor with segmented cladding bodies having cladding arms with involute curve shape

#14
20220130561
2022-04-28

Enhanced graphite neutron reflector with beryllium oxide inclusions

#15
20220084694
2022-03-17

SELF-HEALING LIQUID PELLET-CLADDING GAP HEAT TRANSFER FILLER

#16
20220076853
2022-03-10

OPTIMIZED NUCLEAR FUEL CORE DESIGN FOR A SMALL MODULAR REACTOR

#17
20220068512
2022-03-03

Method for design and additive manufacture of fission reactor core structure of inverted reactor

#18
20210375494
2021-12-02

METHOD TO PRESSURIZE SIC FUEL CLADDING TUBE BEFORE END PLUG SEALING BY PRESSURIZATION PUSHING SPRING LOADED END PLUG

#19
20210158978
2021-05-27

3D printing of additive structures for nuclear fuels

#20
20210125736
2021-04-29

Nuclear fuel rod including disk-type burnable absorber

#21
20210125734
2021-04-29

Ceramic nuclear fuel having UB2 enriched in 11B

#22
20200373023
2020-11-26

Fission product getter

#23
20200343006
2020-10-29

Fuel element, fuel assembly, and core

#24
20200203028
2020-06-25

Additive manufacturing technique for placing nuclear reactor fuel within fibers

#25
20200185116
2020-06-11

Electronic enclosure with neutron shield for nuclear in-core applications

#26
20200105425
2020-04-02

Passive reactivity control in a nuclear fission reactor

#27
20200027585
2020-01-23

Universal inverted reactor

#28
20190252081
2019-08-15

Method to pressurize sic fuel cladding tube before end plug sealing by pressurization pushing spring loaded end plug

#29
20180277260
2018-09-27

Optimized nuclear fuel core design for a small modular reactor

#30
20180182498
2018-06-28

Passive reactivity control in a nuclear fission reactor

#31
20170287574
2017-10-05

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

#32
20170263339
2017-09-14

Fission product getter

#33
20170213604
2017-07-27

Additive manufacturing technique for placing nuclear reactor fuel within fibers

#34
20160379725
2016-12-29

Method for annulus spacer detection in nuclear reactors

#35
20160099080
2016-04-07

NUCLEAR FUEL ELEMENT CORRUGATED PLENUM HOLDDOWN DEVICE

#36
20160055925
2016-02-25

Method for annulus spacer detection and repositioning in nuclear reactors

#37
20160042819
2016-02-11

METHOD FOR ANNULUS SPACER DETECTION IN NUCLEAR REACTORS

#38
20150325317
2015-11-12

NUCLEAR REACTOR

#39
20150063521
2015-03-05

Designed porosity materials in nuclear reactor components

#40
20130240805
2013-09-19

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

#41
20130114780
2013-05-09

NUCLEAR CORE COMPONENT

#42
20130010914
2013-01-10

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

#43
20120321031
2012-12-20

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

#44
20120177170
2012-07-12

Nuclear fuel rod plenum spring assembly

#45
20100284505
2010-11-11

Method and apparatus for annulus spacer detection and repositioning in nuclear reactors

#46
20090274262
2009-11-05

Fuel element of the macrostructured plate type

#47
20090252283
2009-10-08

Nuclear fission reactor fuel assembly adapted to permit expansion of the nuclear fuel contained therein

#48
20090135987
2009-05-28

Fuel rod designs using internal spacer element and methods of using the same

#49
20090060116
2009-03-05

Fuel rod of nuclear fuel assembly

#50
20090041176
2009-02-12

Spring mounting device for nuclear fuel rod

#51
20070242792
2007-10-18

Fuel rod for a nuclear reactor

#52
20070157452
2007-07-12

Methods for installing a fuel pellet locking retainer in a nuclear fuel rod

#53
20060193427
2006-08-31

Fuel assembly for a pressurized water nuclear reactor

#54
13847009
2017-05-30

Accident-tolerant oxide fuel and cladding