ClassID:

200096

G21C3/3206 - 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 Means associated with the fuel bundle for filtering the coolant, e.g. nozzles, grids

Recent Application in this class:
#1
20260148868
2026-05-28

BOTTOM NOZZLE WITH INTERNAL DEBRIS FILTER

#2
20260074081
2026-03-12

A FILTER AND A FUEL ASSEMBLY FOR A NUCLEAR PLANT

#3
20250201429
2025-06-19

DEVICE FOR TRAPPING DEBRIS IN A NUCLEAR FUEL ASSEMBLY

#4
20250166857
2025-05-22

A filter for separating particles from a cooling liquid in a nuclear power plant, a filter arrangement and a fuel assembly

#5
20240312646
2024-09-19

DEBRIS FILTERING ARRANGEMENT FOR NUCLEAR FUEL ASSEMBLY BOTTOM NOZZLE AND BOTTOM NOZZLE INCLUDING SAME

#6
20240177877
2024-05-30

Process For Aiding The Detection Of Migrating Bodies Within A Fuel Assembly

#7
20240096511
2024-03-21

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

#8
20230141492
2023-05-11

Bottom nozzle with protective insert

#9
20230071843
2023-03-09

FUEL ASSEMBLY AND CORE OF FAST REACTOR

#10
20220406476
2022-12-22

NUCLEAR FUEL ASSEMBLY BOTTOM END PART DEBRIS FILTER AND METHOD OF MANUFACTURING SUCH A DEBRIS FILTER

#11
20220344065
2022-10-27

DEBRIS FILTER FOR A NUCLEAR FUEL ASSEMBLY BOTTOM END PART AND METHOD OF MANUFACTURING SUCH A DEBRIS FILTER

#12
20220254523
2022-08-11

BOTTOM NOZZLE WITH INTERNAL DEBRIS FILTER

#13
20220215971
2022-07-07

DEBRIS FILTERING SKIRT ARRANGEMENT FOR NUCLEAR FUEL ASSEMBLY BOTTOM NOZZLE AND BOTTOM NOZZLE INCLUDING SAME

#14
20220199270
2022-06-23

COOLANT CLEANUP SYSTEMS WITH DIRECT MIXING AND METHODS OF USING THE SAME

#15
20220172851
2022-06-02

Filter and a fuel assembly for a nuclear plant

#16
20220084695
2022-03-17

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

#17
20220005616
2022-01-06

Method for installing extension tube in a nuclear reactor

#18
20210375496
2021-12-02

Method for installing extension tube in a nuclear reactor

#19
20210287812
2021-09-16

Methods of forming debris filters for nuclear fuel assemblies

#20
20200373025
2020-11-26

DEBRIS FILTERING ARRANGEMENT FOR NUCLEAR FUEL ASSEMBLY BOTTOM NOZZLE AND BOTTOM NOZZLE INCLUDING SAME

#21
20200343007
2020-10-29

Nuclear fuel assembly having a filter for retention of foreign objects in the coolant

#22
20200312469
2020-10-01

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

#23
20200227180
2020-07-16

Bottom nozzle of nuclear fuel assembly provided with flow holes by utilizing layered aircraft airfoil structure

#24
20190228869
2019-07-25

Fuel assembly having concentric lower coolant inlet tubes

#25
20190198183
2019-06-27

Filter zones with different filtering efficiencies for a fuel assembly of a nuclear water reactor

#26
20190066854
2019-02-28

Debris filters for nuclear fuel assembly and method of using the same

#27
20180308590
2018-10-25

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

#28
20180268949
2018-09-20

Nuclear fuel assembly debris filtering bottom nozzle

#29
20170352438
2017-12-07

Low pressure drop nuclear fuel assembly bottom nozzle

#30
20170206985
2017-07-20

Top nozzle and pressurized water nuclear reactor including same

#31
20160358674
2016-12-08

Floating filter screen in a lower tie plate box of a nuclear fuel assembly

#32
20160336080
2016-11-17

Bottom nozzle and light-water reactor fuel assembly

#33
20140086377
2014-03-27

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

#34
20140064428
2014-03-06

Lower nozzle for use in nuclear fuel assembly

#35
20140056397
2014-02-27

Debris filter for nuclear reactor installation and nuclear fuel assembly comprising such a debris filter

#36
20130279642
2013-10-24

BOTTOM NOZZLE FILTERING DEVICE AND DEBRIS-PREVENTIVE BOTTOM NOZZLE USING THE SAME

#37
20130272477
2013-10-17

Pressurized Water Reactor with Skirted Lower End Fitting and Filter Plate

#38
20130170601
2013-07-04

Particulate removal system

#39
20120273408
2012-11-01

DEBRIS FILTERS

#40
20120243652
2012-09-27

BWR nuclear fuel assembly with non-retained partial length fuel rods

#41
20120207262
2012-08-16

Debris exclusion and retention device for a fuel assembly

#42
20120027157
2012-02-02

Nuclear plant

#43
20110268240
2011-11-03

Debris filter for use in a nuclear fuel assembly

#44
20110170651
2011-07-14

Filter for separating particles in a coolant fluid in a nuclear reactor

#45
20110164719
2011-07-07

NUCLEAR FUEL ASSEMBLY DEBRIS FILTER BOTTOM NOZZLE

#46
20110158373
2011-06-30

Nuclear fuel assembly bottom nozzle

#47
20110051879
2011-03-03

Debris mitigation upper tie plates and fuel bundles using the same

#48
20100260310
2010-10-14

Nuclear plant

#49
20100166135
2010-07-01

Debris filtering bottom spacer grid with louvers for preventing uplift of fuel rods

#50
20100034337
2010-02-11

Bottom end-piece having an anti-debris device with a baffle for a nuclear assembly and corresponding assembly

#51
20090225924
2009-09-10

Device for removing solid particles from the cooling medium which circulates in the primary circuit of a nuclear reactor

#52
20090092217
2009-04-09

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

#53
20090080590
2009-03-26

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

#54
20090060114
2009-03-05

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

#55
20090060113
2009-03-05

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

#56
20080130820
2008-06-05

FUEL SUPPORTING ATTACHMENT AND FUEL INLET MECHANISM

#57
20060283790
2006-12-21

Debris filter

#58
20060045231
2006-03-02

Nuclear fuel assembly protective grid

#59
20050276367
2005-12-15

Fuel supporting attachment and fuel inlet mechanism

#60
20050157836
2005-07-21

Nuclear fuel assembly debris filter bottom nozzle

#61
20050031067
2005-02-10

Foreign matter filter for fuel assembly in pressurized water reactor