ClassID:

200119

G21C3/3424 - 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 Fabrication of spacer grids

Recent Application in this class:
#1
20230352198
2023-11-02

NUCLEAR FUEL ASSEMBLY MANUFACTURING METHOD, NUCLEAR FUEL ASSEMBLY MANUFACTURING PLANT AND METHOD OF EXPANDING SUCH A PLANT

#2
20230207143
2023-06-29

INTERNAL ELECTRODE INSERTION DEVICE FOR WELDING EQUIPMENT FOR SKELETON OF NUCLEAR FUEL ASSEMBLY

#3
20230197297
2023-06-22

SPACER GRID OF NUCLEAR FUEL ASSEMBLY

#4
20220059245
2022-02-24

Method and assembling system for inserting at least one nuclear fuel rod into spacer grids of a nuclear fuel assembly

#5
20210142918
2021-05-13

NUCLEAR FUEL ASSEMBLY MANUFACTURING METHOD, NUCLEAR FUEL ASSEMBLY MANUFACTURING PLANT AND METHOD OF EXPANDING SUCH A PLANT

#6
20200251230
2020-08-06

Spacer grid welding fixture

#7
20170236603
2017-08-17

Holding fixture to assist in assembly of support grid for nuclear fuel rods and method for assembling support grid for nuclear fuel rods

#8
20160155520
2016-06-02

Laser welding apparatus for spacer grid of nuclear fuel assembly

#9
20160155519
2016-06-02

Spot welding gun and welding method for the nuclear fuel skeleton

#10
20160151858
2016-06-02

Charging device of a welding fixture of spacer grid

#11
20140064434
2014-03-06

Spacers with deflection-limited rod contacts for nuclear fuel assemblies and methods of making the same

#12
20130008040
2013-01-10

Apparatus for measuring dimensions of spacer grid for nuclear fuel assemblies

#13
20110288675
2011-11-24

Machine and method for grinding spacer grid of nuclear fuel assembly

#14
20110232439
2011-09-29

Spacer grid for positioning of fuel rods

#15
20110064185
2011-03-17

Spacer grid

#16
20110051882
2011-03-03

Truss-reinforced spacer grid and method of manufacturing the same

#17
20100096369
2010-04-22

Multi-axis laser welding head for spacer grid

#18
20100024194
2010-02-04

Method for production of spacers for a nuclear reactor

#19
20090257546
2009-10-15

Nuclear fuel assembly with a lock-support spacer grid

#20
20090084764
2009-04-02

Apparatus for and method of welding spacer grid

#21
20080267339
2008-10-30

Spacer and a fuel unit for a nuclear plant

#22
20070267391
2007-11-22

Apparatus and method for welding strap connections between inner grid straps of spacer grid using laser tool, and spacer grid manufactured using the same