ClassID:

200240

G21C15/12 - CPC Classification

Classification description:

Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants; Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices from pressure vessel; from containment vessel

Recent Application in this class:
#1
20260121503
2026-04-30

CURVILINEAR ELECTROMAGNETIC PUMP

#2
20260045376
2026-02-12

SYSTEM & METHOD FOR 3-D PRINTING A NUCLEAR REACTOR

#3
20260038704
2026-02-05

SYSTEM FOR HEAT TRANSFER BETWEEN PRIMARY AND SECONDARY FLUID CIRCUITS WITHIN A DIFFUSION-BONDED PRESSURE VESSEL WALL FOR A NUCLEAR REACTOR

#4
20260011460
2026-01-08

SYSTEMS AND METHODS FOR DECAY HEAT REMOVAL FROM AN EXTERIOR OF A NUCLEAR REACTOR

#5
20250259757
2025-08-14

DRILLHOLE NUCLEAR REACTOR

#6
20250218612
2025-07-03

SYSTEMS AND METHODS FOR REDUCING COOLANT BACKFLOW THROUGH A POOL-TYPE REACTOR CORE

#7
20250183776
2025-06-05

INERTIAL ENERGY COASTDOWN FOR ELECTROMAGNETIC PUMP

#8
20250157681
2025-05-15

SMALL NUCLEAR REACTOR COOLING SYSTEM AND COOLING METHOD

#9
20250132064
2025-04-24

DIFFUSION-BONDED PRESSURE VESSEL FOR NUCLEAR REACTOR

#10
20250087377
2025-03-13

MIXED-SPECTRUM MOLTEN SALT REACTOR

#11
20240413729
2024-12-12

METHOD OF CONSTRUCTING A NUCLEAR REACTOR HAVING REACTOR CORE AND CONTROL ELEMENTS SUPPORTED BY REACTOR VESSEL HEAD

#12
20240339231
2024-10-10

DRILLHOLE NUCLEAR REACTOR

#13
20240304346
2024-09-12

PASSIVE COOLING SYSTEM FOR NUCLEAR REACTOR AND METHOD FOR OPERATING THE SAME

#14
20240304345
2024-09-12

NUCLEAR MODULAR ISOLATED REACTOR SUPPORT SYSTEM ASSEMBLY AND MODULES

#15
20240266081
2024-08-08

NUCLEAR FUEL CORE AND METHODS OF FUELING AND/OR DEFUELING A NUCLEAR REACTOR, CONTROL ROD DRIVE SYSTEM FOR NUCLEAR REACTOR, SHUTDOWN SYSTEM FOR NUCLEAR STEAM SUPPLY SYSTEM, NUCLEAR REACTOR SHROUD, AND/OR LOSS-OF-COOLANT ACCIDENT REACTOR COOLING SYSTEM

#16
20240153655
2024-05-09

EMERGENCY CORE COOLING SYSTEM VALVE FOR INTEGRATED-TYPE REACTOR

#17
20240120117
2024-04-11

MOLTEN SALT FISSION REACTOR WITH INTEGRATED PRIMARY EXCHANGER AND ELECTROGENERATOR COMPRISING SUCH A REACTOR

#18
20240079154
2024-03-07

CARBON NEGATIVE REACTORS

#19
20240071636
2024-02-29

INTEGRATED NUCLEAR REACTOR SYSTEM INCLUDING DOUBLE CONTAINMENT STRUCTURE USING LIQUID NITROGEN

#20
20240029904
2024-01-25

INTEGRATED PASSIVE REACTOR

#21
20240006085
2024-01-04

SYSTEM FOR CONTROL OF EXTERNALLY HEATED TURBINE ENGINE

#22
20230298773
2023-09-21

MOLTEN SALT-METAL REACTOR FOR IMPLEMENTING MICRO-REACTOR

#23
20230282376
2023-09-07

System that moves liquid fuel into and out of a nuclear reactor core to control reactivity

#24
20230223160
2023-07-13

REACTOR SECONDARY SIDE PASSIVE RESIDUAL HEAT REMOVAL SYSTEM

#25
20230144418
2023-05-11

Multipurpose common-pool based flooding-type management system for small modular reactors

#26
20230119995
2023-04-20

Method of constructing a nuclear reactor having reactor core and control elements supported by reactor vessel head

#27
20230106379
2023-04-06

Nuclear reactor flow control devices and associated reactors, components, and methods

#28
20230074289
2023-03-09

Replacement thermal sleeve for a reactor vessel closure head penetration adapter of control rod drive mechanism

#29
20230042504
2023-02-09

Flow through liquid metal cooled molten salt reactors

#30
20220375636
2022-11-24

Multipurpose small modular fluoride-salt-cooled high-temperature reactor energy system

#31
20220375634
2022-11-24

Nuclear reactor main heat and waste heat integrated thermal exchanger

#32
20220328203
2022-10-13

Nuclear reactor facility integrated with passive air cooling system

#33
20220254527
2022-08-11

Integrated passive cooling containment structure for a nuclear reactor

#34
20220254526
2022-08-11

System for control of externally heated turbine engine

#35
20220215975
2022-07-07

Double containment nuclear power reactor with passive cooling and radiation scrubbing

#36
20220076854
2022-03-10

Heat transfer systems for nuclear reactor cores, and related systems

#37
20220051820
2022-02-17

Curvilinear electromagnetic pump

#38
20220051819
2022-02-17

Inertial energy coastdown for electromagnetic pump

#39
20220051818
2022-02-17

Fast spectrum molten chloride test reactors

#40
20220051817
2022-02-17

Passive heat removal system for nuclear reactors

#41
20220051814
2022-02-17

Reactor core and control elements supported by a reactor vessel head

#42
20220037043
2022-02-03

Reactor and safety method for a reactor for the event of a meltdown of the core

#43
20210398696
2021-12-23

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

#44
20210343432
2021-11-04

Integral reactor pressure vessel tube sheet

#45
20210313082
2021-10-07

Steam generator accident mitigation system

#46
20210210221
2021-07-08

Control rod drive system for nuclear reactor

#47
20210193340
2021-06-24

Nuclear reactor cooling system that can discharge steam into refueling water

#48
20210193339
2021-06-24

Integrated passive cooling containment structure for a nuclear reactor

#49
20210174977
2021-06-10

Passive cooling structure for nuclear reactor

#50
20210158980
2021-05-27

Replacement thermal sleeve for a reactor vessel closure head penetration adapter of control rod drive mechanism

#51
20210151208
2021-05-20

Alternative circulation cooling system for emergency core cooling system, and nuclear power plant

#52
20210134471
2021-05-06

Nuclear reactor and nuclear reactor vessel equipped with non-ejectable valve

#53
20210110946
2021-04-15

Integrated system for converting nuclear energy into electrical, mechanical, and thermal energy

#54
20210050122
2021-02-18

Nuclear reactor vessel support system

#55
20210012913
2021-01-14

LOSS-OF-COOLANT ACCIDENT REACTOR COOLING SYSTEM

#56
20200388409
2020-12-10

COMPONENT COOLING WATER SYSTEM FOR NUCLEAR POWER PLANT

#57
20200328002
2020-10-15

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

#58
20200279662
2020-09-03

Passive containment cooling system including multiple condensing stages and catalyst

#59
20200234836
2020-07-23

System and method for reducing atmospheric release of radioactive materials caused by severe accident

#60
20200176137
2020-06-04

PASSIVE REACTOR COOLING SYSTEM

#61
20200161011
2020-05-21

Cooling facility in a reactor vessel and electric power generation system

#62
20200143949
2020-05-07

Hydrodynamic pin for centering a nuclear reactor core

#63
20200126680
2020-04-23

REACTOR COOLING AND ELECTRIC POWER GENERATION SYSTEM

#64
20200126679
2020-04-23

Core catcher and boiling water nuclear plant using the same

#65
20200082950
2020-03-12

REACTOR PLANT AND METHOD OF OPERATING REACTOR PLANT

#66
20200075188
2020-03-05

In-containment spent fuel storage to limit spent fuel pool water makeup

#67
20200005955
2020-01-02

Integrated system for converting nuclear energy into rotational and thermal energy

#68
20200005954
2020-01-02

Integrated system for converting nuclear energy into electrical, rotational and thermal energy

#69
20200005953
2020-01-02

Integrated system for converting nuclear energy into electrical, rotational, and thermal energy

#70
20200005952
2020-01-02

In-containment spent fuel storage to limit spent fuel pool water makeup

#71
20190252082
2019-08-15

Replacing a thermal sleeve in a reactor vessel head adapter

#72
20190156961
2019-05-23

Nuclear reactor provided with a raised heat exchanger

#73
20190148027
2019-05-16

Integrated system for converting nuclear energy into electrical, rotational, and thermal energy

#74
20190139657
2019-05-09

Floating nuclear power reactor with a self-cooling containment structure and an emergency heat exchange system

#75
20190139656
2019-05-09

Floating nuclear reactor protection system

#76
20180358138
2018-12-13

Nuclear reactor cooling system

#77
20180358136
2018-12-13

Containment cooling system capable of improving coolant utilization rate

#78
20180358135
2018-12-13

Containment cooling apparatus

#79
20180358134
2018-12-13

PASSIVE COOLING OF A NUCLEAR REACTOR

#80
20180330836
2018-11-15

Small nuclear reactor containment system

#81
20180308591
2018-10-25

Apparatuses for steam separation, and nuclear boiling water reactors including the same

#82
20180254113
2018-09-06

Loss-of-coolant accident reactor cooling system

#83
20180226162
2018-08-09

Integral reactor pressure vessel tube sheet

#84
20180218796
2018-08-02

HYBRID SAFETY INJECTION TANK SYSTEM PRESSURIZED WITH SAFETY VALVE OF PRESSURIZER

#85
20180061514
2018-03-01

Self-diagnosis and accident-handling unmanned nuclear reactor

#86
20180047469
2018-02-15

Component cooling water system for nuclear power plant

#87
20180033505
2018-02-01

Modular reactor steam generator configured to cover a reactor outer wall circumference

#88
20180033501
2018-02-01

Nuclear reactor and a method of heat transfer from a core

#89
20180033500
2018-02-01

Modular reactor steam generator configured to cover a reactor outer wall circumference

#90
20180012669
2018-01-11

Systems and methods for enhancing isolation of high-temperature reactor containments

#91
20180005712
2018-01-04

Integral reactor pressure vessel tube sheet

#92
20170358373
2017-12-14

Core catcher and boiling water nuclear plant using the same

#93
20170330641
2017-11-16

Method of Nuclear Reactor Core Annealing and Nuclear Reactor

#94
20170200515
2017-07-13

Passive reactor cooling system

#95
20170162282
2017-06-08

Passive containment heat removal system and control method thereof

#96
20170133112
2017-05-11

Nuclear reactor system having natural circulation of primary coolant

#97
20170098482
2017-04-06

Alternative circulation cooling method for emergency core cooling system, and nuclear power plant

#98
20160329113
2016-11-10

SLIMM-Scalable Liquid Metal Cooled Small Modular Reactor

#99
20150357060
2015-12-10

Passive filtration of air egressing from nuclear containment

#100
20150170772
2015-06-18

Component cooling water system for nuclear power plant

#101
20150170769
2015-06-18

Passive reactor containment protection system

#102
20150124922
2015-05-07

Systems and methods for enhancing isolation of high-temperature reactor containments

#103
20140334591
2014-11-13

Passive containment spray system

#104
20140334590
2014-11-13

Cooling system of emergency cooling tank and nuclear power plant having the same

#105
20140321597
2014-10-30

Loss-of-coolant accident reactor cooling system

#106
20140321596
2014-10-30

Passive reactor cooling system

#107
20140072090
2014-03-13

METHOD AND SYSTEM FOR AN ALTERNATE RPV ENERGY REMOVAL PATH

#108
20130272475
2013-10-17

Passive containment air cooling for nuclear power plants

#109
20130272474
2013-10-17

PASSIVE CONTAINMENT AIR COOLING FOR NUCLEAR POWER PLANTS

#110
20130114778
2013-05-09

Liquid metal cooled nuclear reactor and heat removal method for the same

#111
20120307956
2012-12-06

NUCLEAR REACTOR SYSTEM HAVING NATURAL CIRCULATION OF PRIMARY COOLANT

#112
20120207260
2012-08-16

Heat removal system and method for use with a nuclear reactor

#113
20120051485
2012-03-01

CORIUM COOLING PROMOTING APPARATUS AND CONTAINMENT

#114
20100290576
2010-11-18

Boiling water reactor

#115
20060008045
2006-01-12

Reactor pressure vessel

#116
20050265509
2005-12-01

Reactor pressure vessel cover for a boiling water reactor