ClassID:

200048

G21C1/084 - CPC Classification

Classification description:

Reactor types; Thermal reactors ; Epithermal reactors; Heterogeneous reactors, i.e. in which fuel and moderator are separated moderator being highly pressurised, e.g. boiling water reactor, integral super-heat reactor, pressurised water reactor Boiling water reactors

Recent Application in this class:
#1
20250292924
2025-09-18

METHOD FOR REFURBISHING A NUCLEAR POWER PLANT INITIALLY COMPRISING AT LEAST ONE LIGHT-WATER NUCLEAR REACTOR (LWR), IN PARTICULAR A PRESSURISED WATER REACTOR (PWR) OR A BOILING WATER REACTOR (BWR), WITH AT LEAST ONE INTEGRATED MODULAR NUCLEAR REACTOR (SMR)

#2
20250111956
2025-04-03

STEAM-WATER SEPARATOR AND BOILING-WATER REACTOR

#3
20230352199
2023-11-02

COATINGS AND SURFACE MODIFICATIONS TO MITIGATE SiC CLADDING DURING OPERATION IN LIGHT WATER REACTORS

#4
20230343475
2023-10-26

CHANNEL BOXES FOR A BOILING WATER REACTOR AND METHODS OF MANUFACTURE THEREOF

#5
20220139575
2022-05-05

Fuel assembly with outer channel including reinforced sidewall and non-reinforced sidewall

#6
20210398696
2021-12-23

Use of isolation condenser and/or feedwater to limit core flow, core power, and pressure in a boiling water reactor

#7
20210202119
2021-07-01

Passive containment cooling system for boiling water reactor and method of installation

#8
20210202114
2021-07-01

Dry stand-by liquid control system for a nuclear reactor

#9
20210098142
2021-04-01

Predictive model construction and prediction method for radioactive metal corrosion concentration in nuclear reactor water

#10
20200373028
2020-11-26

Space reactor gas assist control rod release mechanism

#11
20200368860
2020-11-26

SYSTEMS AND METHODS FOR NUCLEAR REACTOR DRY TUBE ASSEMBLY REMOVAL AND INSTALLATION

#12
20200365283
2020-11-19

Method of configuring sidewalls of an outer channel of a fuel assembly

#13
20200343012
2020-10-29

Reactor containment vessel vent system

#14
20200328002
2020-10-15

Use of isolation condenser and/or feedwater to limit core flow, core power, and pressure in a boiling water reactor

#15
20200312471
2020-10-01

Corrosion Mitigation Method for Carbon Steel Pipe

#16
20200194132
2020-06-18

Fuel Loading Method and Reactor Core

#17
20200161010
2020-05-21

Coatings and Surface Modifications to Mitigate SiC Cladding During Operation in Light Water Reactors

#18
20200126679
2020-04-23

Core catcher and boiling water nuclear plant using the same

#19
20190385755
2019-12-19

Systems and methods for steam separator tie bar repair or replacement

#20
20190355486
2019-11-21

Control rod motion monitoring system and control rod motion monitoring method

#21
20190221323
2019-07-18

Nuclear reactor using controlled debris to mitigate ECCS strainer pressure head loss

#22
20190051421
2019-02-14

MOX fuel assembly

#23
20180182499
2018-06-28

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

#24
20170358373
2017-12-14

Core catcher and boiling water nuclear plant using the same

#25
20170287573
2017-10-05

Method for relieving corrosive environment of boiling water reactor, nuclear power plant, and method for injecting noble metal which is carried out in nuclear power plant

#26
20170162281
2017-06-08

Passive containment cooling and filtered venting system, and nuclear power plant

#27
20170098483
2017-04-06

HEAT EXCHANGE SYSTEM AND NUCLEAR REACTOR SYSTEM

#28
20160358674
2016-12-08

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

#29
20160336081
2016-11-17

Operating floor confinement and nuclear plant

#30
20160260506
2016-09-08

Nuclear Reactor Core

#31
20160203879
2016-07-14

Optimized fuel assembly channels and methods of creating the same

#32
20160194763
2016-07-07

Reactor internal structure and method of manufacturing the same

#33
20160099084
2016-04-07

METHOD OF PLATINUM INJECTION INTO A NUCLEAR REACTOR

#34
20160093408
2016-03-31

JET PUMP FOR BOILING WATER REACTOR AND BOILING WATER REACTOR

#35
20160055924
2016-02-25

Boiling water type nuclear power plant

#36
20160042820
2016-02-11

Method of storing a chimney assembly of a reactor pressure vessel during a nuclear reactor outage

#37
20160027537
2016-01-28

Fiber optic temperature sensing system and method utilizing Brillouin scattering for large, well-ventilated spaces

#38
20150357063
2015-12-10

Nuclear power plant and reactor building gas treatment system

#39
20150332793
2015-11-19

Natural-circulation boiling water reactor and chimney therefor

#40
20150310941
2015-10-29

Nuclear fuel assembly having varying spacing between fuel rods

#41
20150228362
2015-08-13

Core of light water reactor and fuel assembly

#42
20150221399
2015-08-06

In-vessel control rod drive mechanism and nuclear reactor with the same

#43
20130051509
2013-02-28

Initial Core of Nuclear Reactor and Method of Loading Fuel Assemblies of Nuclear Reactor

#44
20130003908
2013-01-03

Boiling water reactor core and fuel assemblies therefor

#45
20120243652
2012-09-27

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

#46
20120020447
2012-01-26

Optimized fuel assembly channels and methods of creating the same

#47
20110256036
2011-10-20

REACTOR INTERNAL STRUCTURE AND METHOD OF MANUFACTURING THE SAME

#48
20110238388
2011-09-29

Determination of safety limit minimum critical power ratio

#49
20110216871
2011-09-08

Channel-Lifting Tool and Method

#50
20110164720
2011-07-07

Core of light water reactor and fuel assembly

#51
20110162364
2011-07-07

Operation method of nuclear power plant

#52
20110162363
2011-07-07

Operation method of nuclear power plant

#53
20110051880
2011-03-03

High Efficiency Power Plants

#54
20100257716
2010-10-14

Apparatus and method for removing a dry tube assembly from a nuclear reactor pressure vessel

#55
20100170246
2010-07-08

Operation method of nuclear power plant

#56
20090252271
2009-10-08

Axial void fraction distribution measurement method and neutron multiplication factor evaluating method

#57
20090161810
2009-06-25

Reactor Power Control Apparatus of Natural Circulation Reactor, And Method For Controlling Reactor Power of Natural Circulation Reactor

#58
20090127024
2009-05-21

Acoustic load mitigator

#59
20090116608
2009-05-07

Natural circulation type boiling water reactor

#60
20080247499
2008-10-09

Natural circulation boiling water reactor and handling method thereof

#61
20080205576
2008-08-28

Boiling water reactor, core of boiling water reactor and fuel assembly

#62
20070274428
2007-11-29

NATURAL CIRCULATION TYPE BOILING WATER REACTOR

#63
20070201607
2007-08-30

Natural circulation boiling water reactor and handling method thereof

#64
20070201605
2007-08-30

NATURAL CIRCULATION BOILING WATER REACTOR

#65
20070201604
2007-08-30

Steam separator, boiling water reactor and swirler assembly

#66
20070201603
2007-08-30

Reactor power control apparatus of natural circulation reactor and method for controlling reactor power of natural circulation reactor

#67
20070201602
2007-08-30

Reactor power control apparatus of natural circulation reactor, generation system of natural circulation reactor and method for controlling reactor power of natural circulation reactor

#68
20070201599
2007-08-30

Reactor power control apparatus of a natural circulation boiling water reactor and a feed water control apparatus and nuclear power generation plant

#69
20070076839
2007-04-05

Axial void fraction distribution measurement method and neutron multiplication factor evaluating method

#70
20070000250
2007-01-04

Operation method of nuclear power plant

#71
20060210009
2006-09-21

Boiling water reactor core and fuel assemblies therefor

#72
20060126778
2006-06-15

Reactor pressure vessel of a boiling water reactor and method for water vapor separation in a reactor pressure vessel of a boiling water reactor

#73
20050135548
2005-06-23

Main steam system around nuclear reactor