ClassID:

200147

G21C5/06 - CPC Classification

Classification description:

Moderator or core structure; Selection of materials for use as moderator; Details Means for locating or supporting fuel elements

Recent Application in this class:
#1
20260120900
2026-04-30

NUCLEAR REACTOR SYSTEM WITH LIFT-OUT CORE ASSEMBLY

#2
20250322972
2025-10-16

NUCLEAR REACTOR PROVIDED WITH A CORE SUPPORT SYSTEM

#3
20250022622
2025-01-16

Fission Reactor with Segmented Cladding Bodies Having Cladding Arms with Involute Curve Shape

#4
20240312648
2024-09-19

NUCLEAR FUEL RODS AND HEAT PIPES IN A GRAPHITE MODERATOR MATRIX FOR A MICRO-REACTOR, WITH THE FUEL RODS HAVING FUEL PELLETS IN A BeO SLEEVE

#5
20240233965
2024-07-11

NUCLEAR POWER GENERATOR, FUEL CARTRIDGES FOR NUCLEAR POWER GENERATOR, AND RELATED METHODS

#6
20240136077
2024-04-25

Nuclear power generator and fuel cartridges having variable electric load capacity to power a ship propeller

#7
20240127974
2024-04-18

Reactor design with controlled thermal neutron flux for enhanced neutron activation potential

#8
20240013938
2024-01-11

NUCLEAR REACTOR

#9
20220375633
2022-11-24

NUCLEAR REACTOR HEAD, NUCLEAR REACTOR COMPRISING SUCH A NUCLEAR REACTOR HEAD AND METHOD OF MAINTAINING A NUCLEAR REACTOR

#10
20220199269
2022-06-23

LOWER END FITTING LOCATING PINS

#11
20220172852
2022-06-02

Nuclear fuel rods and heat pipes in a graphite moderator matrix for a micro-reactor, with the fuel rods having fuel pellets in a BeO sleeve

#12
20220139576
2022-05-05

Fission reactor with segmented cladding bodies having cladding arms with involute curve shape

#13
20220076853
2022-03-10

OPTIMIZED NUCLEAR FUEL CORE DESIGN FOR A SMALL MODULAR REACTOR

#14
20220051822
2022-02-17

Method for replacing nuclear reactor core

#15
20210319920
2021-10-14

Reactor design with controlled thermal neutron flux for enhanced neutron activation potential

#16
20210210221
2021-07-08

Control rod drive system for nuclear reactor

#17
20210202122
2021-07-01

Fission reactor with segmented cladding bodies having cladding arms with involute curve shape

#18
20210174976
2021-06-10

Nuclear power generator, fuel cartridges, and cooling tubes for nuclear power generator, and related methods

#19
20200373027
2020-11-26

Small modular mobile fission reactor

#20
20200234834
2020-07-23

Nuclear reactor fuel assemblies and process for production

#21
20200027575
2020-01-23

SMALL, FAST NEUTRON SPECTRUM NUCLEAR POWER PLANT WITH A LONG REFUELING INTERVAL

#22
20190043627
2019-02-07

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

#23
20180277260
2018-09-27

Optimized nuclear fuel core design for a small modular reactor

#24
20180182499
2018-06-28

Core plate assembly, and a method of performing work on a core plate assembly

#25
20180144835
2018-05-24

Moving an entire nuclear reactor core as a unitary structure

#26
20180047465
2018-02-15

System, a device and a method for passive decay heat transport

#27
20170337993
2017-11-23

Fuel assembly

#28
20170337992
2017-11-23

SMALL, FAST NEUTRON SPECTRUM NUCLEAR POWER PLANT WITH A LONG REFUELING INTERVAL

#29
20170206985
2017-07-20

Top nozzle and pressurized water nuclear reactor including same

#30
20150170766
2015-06-18

Nuclear fuel core, nuclear fuel cartridge, and methods of fueling and/or defueling a nuclear reactor

#31
20140341331
2014-11-20

Nuclear fuel assembly design

#32
20140321590
2014-10-30

Small, fast neutron spectrum nuclear power plant with a long refueling interval

#33
20130287160
2013-10-31

Riser transition element for compact nuclear reactor

#34
20130272480
2013-10-17

Lower end fitting locating pins

#35
20130163712
2013-06-27

BWR nuclear fuel assembly with snap-in sleeve spring

#36
20120163526
2012-06-28

OPTIMIZED FUEL SUPPORTS AND METHODS OF CREATING REACTOR CORES WITH THE SAME

#37
20120099695
2012-04-26

FUEL GUIDE PIN, FUEL GUIDE PIN ATTACHMENT METHOD, CORE PLATE, AND NUCLEAR REACTOR

#38
20110317799
2011-12-29

PRESSURE-LOSS ADJUSTING MEMBER AND REACTOR

#39
20110314664
2011-12-29

Pressure-loss adjusting-member installation tool

#40
20110206173
2011-08-25

Small, fast neutron spectrum nuclear power plant with a long refueling interval

#41
20100290579
2010-11-18

Nuclear reactor, in particular pool-type nuclear reactor, with new-concept fuel elements

#42
20100111243
2010-05-06

Fixed cluster having a spider-like support, corresponding pressurized water nuclear reactor core and assembly comprising a nuclear fuel assembly and such a fixed cluster

#43
20080130820
2008-06-05

FUEL SUPPORTING ATTACHMENT AND FUEL INLET MECHANISM

#44
20080101528
2008-05-01

Fuel assembly for a boiling water reactor

#45
20070189433
2007-08-16

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

#46
20060054872
2006-03-16

Nuclear fuel

#47
20050276367
2005-12-15

Fuel supporting attachment and fuel inlet mechanism

#48
20050249325
2005-11-10

Device for positioning and axially aligning a fuel assembly and process and apparatus for restoring a positioning element