ClassID:

200121

G21C3/344 - 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; Spacer grids formed of assembled tubular elements

Recent Application in this class:
#1
20250259758
2025-08-14

IMPROVED NUCLEAR FUEL ASSEMBLY WITH ENHANCED SEISMIC PERFORMANCE AND CONTROL ROD WORTH

#2
20230197297
2023-06-22

SPACER GRID OF NUCLEAR FUEL ASSEMBLY

#3
20220392652
2022-12-08

Tube grid cell for a nuclear fuel bundle

#4
20210098140
2021-04-01

Spacer grid using tubular cells

#5
20200251230
2020-08-06

Spacer grid welding fixture

#6
20180286524
2018-10-04

Spacer grid using tubular cells with mixing vanes

#7
20160055923
2016-02-25

Fuel channel for a nuclear power boiling water reactor

#8
20140185735
2014-07-03

Fuel assembly

#9
20130177127
2013-07-11

Optimized flower tubes and optimized advanced grid configurations

#10
20110080988
2011-04-07

Fuel bundle designs using mixed spacer types

#11
20100322371
2010-12-23

OPTIMIZED FLOWER TUBES AND OPTIMIZED ADVANCED GRID CONFIGURATIONS

#12
20100024194
2010-02-04

Method for production of spacers for a nuclear reactor

#13
20090135988
2009-05-28

Fail-free fuel bundle assembly

#14
20090092217
2009-04-09

METHOD TO SHIELD NUCLEAR FUEL ASSEMBLY WITH REMOVABLE DEBRIS SHIELD IN UPPER TIE PLATE

#15
20090067566
2009-03-12

Fuel assembly and plug-in distance element

#16
20090060114
2009-03-05

DEBRIS SHIELD FOR UPPER TIE PLATE IN A NUCLEAR FUEL BUNDLE AND METHOD FOR FILTERING DEBRIS

#17
20090060113
2009-03-05

Debris shield upper tie plate for nuclear fuel assembly and method to shield assembly from debris

#18
20070291893
2007-12-20

Nuclear fuel spacer assembly with debris guide

#19
20060153327
2006-07-13

Helically fluted tubular fuel rod support