ClassID:

200190

G21C9/016 - CPC Classification

Classification description:

Emergency protection arrangements structurally associated with the reactor, e.g. safety valves provided with pressure equalisation devices Core catchers

Recent Application in this class:
#1
20260074085
2026-03-12

MOLTEN SALT REACTOR CONTAINMENT

#2
20260066141
2026-03-05

NUCLEAR REACTOR THERMAL MANAGEMENT SYSTEM

#3
20250191793
2025-06-12

NUCLEAR REACTOR THERMAL MANAGEMENT SYSTEM

#4
20250157682
2025-05-15

COOLING DEVICE AND COOLING METHOD FOR SMALL MODULAR REACTOR

#5
20250065446
2025-02-27

METHOD FOR MANUFACTURING A CORE CATCHER SUPPORT FRAME

#6
20250062047
2025-02-20

MOLTEN SALT REACTOR CONTAINMENT

#7
20250062046
2025-02-20

MOLTEN SALT REACTOR CONTAINMENT

#8
20240404717
2024-12-05

UNDERGROUND NUCLEAR POWER REACTOR WITH A BLAST MITIGATION CHAMBER

#9
20240321470
2024-09-26

SYSTEM FOR CONFINING AND COOLING MELT FROM THE CORE OF A NUCLEAR REACTOR

#10
20240312650
2024-09-19

BOILING WATER REACTORS

#11
20240062923
2024-02-22

GAS MANAGEMENT SYSTEMS FOR A MOLTEN SALT NUCLEAR REACTOR

#12
20240062922
2024-02-22

Nuclear Reactor Thermal Management System

#13
20240055143
2024-02-15

SYSTEM FOR CONFINING AND COOLING MELT FROM THE CORE OF A NUCLEAR REACTOR

#14
20230343476
2023-10-26

SYSTEM FOR CONFINING AND COOLING MELT FROM THE CORE OF A NUCLEAR REACTOR

#15
20230274846
2023-08-31

NUCLEAR POWER PLANT

#16
20230268087
2023-08-24

SYSTEM FOR CONFINING AND COOLING MELT FROM THE CORE OF A NUCLEAR REACTOR

#17
20230268086
2023-08-24

SYSTEM FOR CONFINING AND COOLING MELT FROM THE CORE OF A NUCLEAR REACTOR

#18
20230162876
2023-05-25

SYSTEM FOR CONFINING AND COOLING MELT FROM THE CORE OF A NUCLEAR REACTOR

#19
20230154633
2023-05-18

SYSTEM FOR CONFINING AND COOLING MELT FROM THE CORE OF A NUCLEAR REACTOR

#20
20230045470
2023-02-09

GUIDING DEVICE OF A SYSTEM FOR CONFINING AND COOLING MELT FROM THE CORE OF A NUCLEAR REACTOR

#21
20230040796
2023-02-09

DEVICE FOR CONFINING REACTOR CORE MELT

#22
20220270770
2022-08-25

Underground nuclear power reactor with a blast mitigation chamber

#23
20220157478
2022-05-19

Injectable sacrificial material systems and methods to contain molten corium in nuclear accidents

#24
20220037042
2022-02-03

PWR that enables steam generator secondary fluid to flow into primary circuit and reactor vessel during a core melt

#25
20210358648
2021-11-18

Cooling method for reactor molten core melt and cooling control system for reactor molten core

#26
20210296013
2021-09-23

Reactor molten core localization device

#27
20210272710
2021-09-02

Melt confinement device

#28
20210210226
2021-07-08

Device for confining nuclear reactor core melt

#29
20210202118
2021-07-01

System for confining and cooling melt from the core of a water-moderated nuclear reactor

#30
20200321136
2020-10-08

Very simplified boiling water reactors for commercial electricity generation

#31
20200161011
2020-05-21

Cooling facility in a reactor vessel and electric power generation system

#32
20200141351
2020-05-07

Nuclear reactor cooling arrangement having a stirling engine

#33
20200126679
2020-04-23

Core catcher and boiling water nuclear plant using the same

#34
20200075183
2020-03-05

Cooling apparatus for molten core material

#35
20190341157
2019-11-07

PASSIVE MOLTEN CORE COOLING DEVICE

#36
20190221323
2019-07-18

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

#37
20190139658
2019-05-09

Emergency method and system for in-situ disposal and containment of nuclear material at nuclear power facility

#38
20190019585
2019-01-17

Mitigation assembly for nuclear reactor comprising a removable sealing plug

#39
20180322967
2018-11-08

Conformal core cooling and containment structure

#40
20180322966
2018-11-08

Very simplified boiling water reactors for commercial electricity generation

#41
20180182500
2018-06-28

Water injection device

#42
20180082759
2018-03-22

Nuclear reactor support and seismic restraint with core retention cooling features

#43
20180075935
2018-03-15

Emergency method and system for in-situ disposal and containment of nuclear material at nuclear power facility

#44
20170358373
2017-12-14

Core catcher and boiling water nuclear plant using the same

#45
20170323695
2017-11-09

Water-Cooled Water-Moderated Nuclear Reactor Core Melt Cooling and Confinement System

#46
20170323694
2017-11-09

Water-Cooled Water-Moderated Nuclear Reactor Core Melt Cooling and Confinement System

#47
20170323693
2017-11-09

Water-Cooled Water-Moderated Nuclear Reactor Core Melt Cooling and Confinement System

#48
20170154692
2017-06-01

Porous cooling block for cooling corium and corium cooling apparatus including same, and corium cooling method using same

#49
20170106220
2017-04-20

Passive fire response system and method of manufacturing

#50
20160141054
2016-05-19

IN-VESSEL AND EX-VESSEL MELT COOLING SYSTEM AND METHOD HAVING THE CORE CATCHER

#51
20150357057
2015-12-10

Nuclear reactor cavity floor passive heat removal system

#52
20150357054
2015-12-10

Nuclear reactor support and seismic restraint with in-vessel core retention cooling features

#53
20150255179
2015-09-10

Surface sediment core catcher

#54
20140321595
2014-10-30

Submerged or underwater electricity production module

#55
20140301524
2014-10-09

Underwater electricity production module

#56
20140241483
2014-08-28

Apparatus for retention of molten material outside generation IV reactor after nuclear power plant accident

#57
20140192947
2014-07-10

Submerged electricity production module

#58
20140174555
2014-06-26

Pipe shut-off device and apparatus having same for the emergency supply of coolant to the fuel rods arranged in the reactor vessel of a nuclear power plant

#59
20130272472
2013-10-17

MOLTEN-CORE RETENTION STRUCTURE

#60
20130223581
2013-08-29

Nuclear Power Plant

#61
20130170598
2013-07-04

NUCLEAR REACTOR CONTAINMENT VESSEL

#62
20130070886
2013-03-21

Holding device

#63
20120328067
2012-12-27

NUCLEAR POWER PLANT

#64
20120300893
2012-11-29

Core catcher

#65
20120269312
2012-10-25

CORIUM COOLING STRUCTURE, REACTOR CONTAINMENT VESSEL PROVIDED WITH THE SAME, AND NUCLEAR POWER PLANT PROVIDED WITH THE SAME

#66
20120201342
2012-08-09

NUCLEAR FUEL ASSEMBLY AND NUCLEAR REACTOR COMPRISING AT LEAST ONE SUCH ASSEMBLY

#67
20120121056
2012-05-17

Reactor containment vessel and nuclear power plant using the same

#68
20120051485
2012-03-01

CORIUM COOLING PROMOTING APPARATUS AND CONTAINMENT

#69
20110150165
2011-06-23

Nuclear reactor melt arrest and coolability device

#70
20100329409
2010-12-30

Drain sump of nuclear reactor containment vessel

#71
20100239061
2010-09-23

REACTOR CONTAINMENT VESSEL AND WATER LEAK DETECTION FLOOR

#72
20100183111
2010-07-22

Ex-vessel accident mitigation

#73
20090116607
2009-05-07

Passive cooling and arresting device for molten core material

#74
20090080589
2009-03-26

Core catcher, manufacturing method thereof, reactor containment vessel and manufacturing method thereof

#75
20080212732
2008-09-04

Tub-Type Meltdown Retaining Device

#76
20080152067
2008-06-26

Granulation accelerating device and nuclear reactor housing

#77
20070138072
2007-06-21

Trash rack for nuclear power plant

#78
20060269035
2006-11-30

Ex-vessel core melt retention device preventing molten core concrete interaction

#79
17501313
2022-12-27

Sacrificial concrete for core catcher and preparation method thereof

#80
16521887
2022-04-19

Injectable sacrificial material systems and methods to contain molten corium in nuclear accidents