ClassID:

200130

G21C3/42 - 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

Sub-classes:
Recent Application in this class:
#1
20250079027
2025-03-06

DOPPLER REACTIVITY AUGMENTATION DEVICE

#2
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

#3
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

#4
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

#5
20230395269
2023-12-07

FUEL ELEMENT WITH MULTI-SMEAR DENSITY FUEL

#6
20230132157
2023-04-27

ANNULAR NUCLEAR FUEL ROD

#7
20220367077
2022-11-17

Space-Based Radioisotope Production and Methods of Use

#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
20220301736
2022-09-22

AQUEOUS ASSEMBLY AND CONTROL METHOD

#10
20210391094
2021-12-16

Utilizing Multiple Proton Injection Ports in Accelerator Driven Subcritical Reactor for Direct Adopting Spent Fuels from Light Water Reactors

#11
20210313080
2021-10-07

Doppler reactivity augmentation device

#12
20210261490
2021-08-26

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

#13
20210125734
2021-04-29

Ceramic nuclear fuel having UB2 enriched in 11B

#14
20210035699
2021-02-04

Target assembly comprising a fission product capturing layer on a fissile target substrate

#15
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

#16
20200265964
2020-08-20

Internal-external hybrid microreactor in a compact configuration

#17
20200203028
2020-06-25

Additive manufacturing technique for placing nuclear reactor fuel within fibers

#18
20200027582
2020-01-23

Nuclear fuel pebble and method of manufacturing the same

#19
20200027577
2020-01-23

Fuel element with multi-smear density fuel

#20
20180264679
2018-09-20

Methods and apparatus for additively manufacturing structures using in situ formed additive manufacturing materials

#21
20180050911
2018-02-22

SYSTEM AND METHOD FOR BREEDING TRITIUM FROM LITHIUM USING A NEUTRON GENERATOR

#22
20170372803
2017-12-28

Nuclear fuel pebble and method of manufacturing the same

#23
20170352437
2017-12-07

Rod assembly for nuclear reactors

#24
20170249999
2017-08-31

Passive inherent reactivity coefficient control in nuclear reactors

#25
20170069402
2017-03-09

Nanofuel internal engine

#26
20170062080
2017-03-02

Fuel element with multi-smear density fuel

#27
20160351278
2016-12-01

Active zone of lead-cooled fast reactor

#28
20160189804
2016-06-30

Nuclear reactor core having moderator blocks with fissile material fuel rods and hydrogen-containing glass microspheres coated with burnable poison

#29
20150228362
2015-08-13

Core of light water reactor and fuel assembly

#30
20150126660
2015-05-07

Composition filled with polyolefin and actinide powder

#31
20150092900
2015-04-02

Aqueous assembly and control method

#32
20150052886
2015-02-26

Nuclear powered rotary internal engine apparatus

#33
20140294135
2014-10-02

POWDER OF AN ALLOY BASED ON URANIUM AND MOLYBDENUM IN GAMMA-METASTABLE PHASE, COMPOSITION OF POWDERS COMPRISING THIS POWDER, AND USES OF SAID POWDER AND COMPOSITION

#34
20130266112
2013-10-10

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

#35
20120219102
2012-08-30

Nuclear battery based on hydride/thorium fuel

#36
20120177169
2012-07-12

Core of light water reactor and fuel assembly

#37
20110285040
2011-11-24

Method and arrangement for producing fuel kernels

#38
20110164720
2011-07-07

Core of light water reactor and fuel assembly

#39
20100123107
2010-05-20

Method and composition for moderated nuclear fuel

#40
20100077657
2010-04-01

Method for the production of spherical combustible or fertile material particles

#41
20100034336
2010-02-11

Core of light water reactor and fuel assembly

#42
20090252283
2009-10-08

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

#43
20060193426
2006-08-31

Multi-core fuel rod for research reactor and manufacturing method thereof