ClassID:

200110

G21C3/3315 - 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; 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 Upper nozzle

Recent Application in this class:
#1
20260011457
2026-01-08

Fuel Assembly and Method for Producing Fuel Assembly

#2
20250308715
2025-10-02

SEGMENTED FUEL ASSEMBLY FOR USE IN A NUCLEAR REACTOR

#3
20250259758
2025-08-14

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

#4
20250029739
2025-01-23

DEVICE FOR ASSEMBLING AND DISASSEMBLING TOP NOZZLE OF NUCLEAR FUEL ASSEMBLY

#5
20230352198
2023-11-02

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

#6
20230230713
2023-07-20

THREE DIMENSIONAL PRINTED PRECISION MAGNETS FOR FUEL ASSEMBLY

#7
20230162875
2023-05-25

CONTROL ROD DAMPING SYSTEM

#8
20230122593
2023-04-20

THREE DIMENSIONAL PRINTED PRECISION MAGNETS FOR FUEL ASSEMBLY

#9
20220215973
2022-07-07

Deforming a portion of a nut threaded on a guide tube end plug to lock the nut to a lower end fitting of a nuclear reactor fuel assembly

#10
20220084695
2022-03-17

Nuclear fuel assembly for a boiling water reactor with redundant load chain

#11
20210398695
2021-12-23

Control rod damping system

#12
20210366623
2021-11-25

Nuclear reactor fuel assembly

#13
20210142918
2021-05-13

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

#14
20200373032
2020-11-26

System for separating and coupling top nozzle of nuclear fuel assembly

#15
20200373030
2020-11-26

NUCLEAR FUEL ASSEMBLY TOP NOZZLE HAVING IN-CORE INSTRUMENT INSERTION STRUCTURE USING UPPER CORE PLATE GUIDE PIN

#16
20200373026
2020-11-26

System including a member configured to separate a lock insert from a guide hole in a top nozzle plate of a nuclear fuel assembly

#17
20200027584
2020-01-23

Fuel assembly

#18
20190326025
2019-10-24

Nuclear fuel assembly support feature

#19
20190326024
2019-10-24

Nuclear reactor fuel assembly and method for producing same

#20
20190176608
2019-06-13

Hybrid drive module having an electric motor

#21
20190122776
2019-04-25

Base plate mounted core components for reliable rod assembly and rapid field disassembly

#22
20190061121
2019-02-28

Lower end fitting locknut for nuclear fuel assembly

#23
20190043627
2019-02-07

Device and method for underwater repair of hole of a nuclear reactor part

#24
20180330832
2018-11-15

Annular nuclear fuel pellets with central burnable absorber

#25
20180308590
2018-10-25

Fuel assembly arrangement for retaining fuel rod end plug to bottom nozzle

#26
20180261341
2018-09-13

Small modular reactor fuel assembly

#27
20180254112
2018-09-06

Three dimensional printed precision magnets for fuel assembly

#28
20180190393
2018-07-05

Control rod damping system

#29
20180144835
2018-05-24

Moving an entire nuclear reactor core as a unitary structure

#30
20180047468
2018-02-15

Nozzle seal structure

#31
20170229198
2017-08-10

Nuclear fuel assembly top nozzle having in-core instrument insertion structure using an upper core plate hollow guide pin

#32
20170206985
2017-07-20

Top nozzle and pressurized water nuclear reactor including same

#33
20170032852
2017-02-02

Combination of top nozzle and guide thimble for nuclear fuel assembly

#34
20160300629
2016-10-13

Combination of top nozzle and guide thimble for nuclear fuel assembly

#35
20160232992
2016-08-11

Structure of top nozzle for nuclear fuel assembly

#36
20160180972
2016-06-23

Nuclear fuel assembly support feature

#37
20150302941
2015-10-22

Nuclear reactor fuel assembly

#38
20140086377
2014-03-27

Nuclear fuel assembly tie plate, upper nozzle and nuclear fuel assembly comprising such a tie plate

#39
20130272481
2013-10-17

Lower end fitting locknut for nuclear fuel assembly

#40
20130058449
2013-03-07

Fuel assembly, a guide thimble device and use of the guide thimble device

#41
20130003910
2013-01-03

Method of providing a hold-down force upon a nuclear fuel assembly

#42
20120246933
2012-10-04

Top nozzle for nuclear fuel assembly having spring insert hole improved in fastening stability and method of manufacturing the same

#43
20120189090
2012-07-26

Tiered tie plates and fuel bundles using the same

#44
20120093275
2012-04-19

Tiered tie plates and fuel bundles using the same

#45
20120087458
2012-04-12

Nuclear fuel assembly hold down spring

#46
20110182395
2011-07-28

Hold-down spring unit for top nozzle of nuclear fuel assembly having improved hold-down performance and top nozzle for nuclear fuel assembly having the same

#47
20110182394
2011-07-28

TOP NOZZLE FOR NUCLEAR FUEL ASSEMBLY HAVING SPRING INSERT HOLE IMPROVED IN FASTENING STABILITY AND METHOD OF MANUFACTURING THE SAME

#48
20110051879
2011-03-03

Debris mitigation upper tie plates and fuel bundles using the same

#49
20100172460
2010-07-08

Perforated plate support for dual-cooled segmented fuel rod

#50
20100166134
2010-07-01

Top nozzle for nuclear fuel assembly

#51
20100119031
2010-05-13

Coupling structure of fuel assembly

#52
20090323887
2009-12-31

Nuclear core component hold-down assembly

#53
20090285347
2009-11-19

Fuel assembly for PWR nuclear reactor

#54
20090080590
2009-03-26

Method and apparatus to shield a nuclear fuel assembly with removable debris shield in upper tie

#55
20070189433
2007-08-16

Method for limiting the maintenance loads applied to a fuel assembly of a nuclear reactor and fuel assembly

#56
20060251205
2006-11-09

In-core fuel restraint assembly