ClassID:

200184

G21C9/00 - CPC Classification

Classification description:

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

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

CURVILINEAR ELECTROMAGNETIC PUMP

#2
20260120898
2026-04-30

SEISMIC ISOLATION SYSTEM

#3
20250183776
2025-06-05

INERTIAL ENERGY COASTDOWN FOR ELECTROMAGNETIC PUMP

#4
20250022623
2025-01-16

MONITORING AND CONTROLLING SYSTEM

#5
20240413729
2024-12-12

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

#6
20230402198
2023-12-14

PROCESS AND TOOLS TO PERFORM REACTOR PRESSURE VESSEL NOZZLE EXPANSION MITIGATING PRIMARY COOLANT LEAKAGE

#7
20230290527
2023-09-14

NUCLEAR REACTOR PROTECTION SYSTEMS AND METHODS

#8
20230119995
2023-04-20

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

#9
20220157478
2022-05-19

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

#10
20220115155
2022-04-14

METHOD FOR OPERATING A NUCLEAR REACTOR WITH CALCULATION OF THE CTFR ON LINE, CORRESPONDING NUCLEAR REACTOR

#11
20220084701
2022-03-17

Integral vessel isolation valve

#12
20220076854
2022-03-10

Heat transfer systems for nuclear reactor cores, and related systems

#13
20220051824
2022-02-17

Method for protecting a nuclear reactor and corresponding nuclear reactor

#14
20220051820
2022-02-17

Curvilinear electromagnetic pump

#15
20220051819
2022-02-17

Inertial energy coastdown for electromagnetic pump

#16
20220051817
2022-02-17

Passive heat removal system for nuclear reactors

#17
20220051814
2022-02-17

Reactor core and control elements supported by a reactor vessel head

#18
20220037043
2022-02-03

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

#19
20210319921
2021-10-14

Methods for airflow control in reactor passive decay heat removal using a damper

#20
20210304912
2021-09-30

RADIOACTIVE IODINE ADSORBENT, AND METHOD FOR TREATING RADIOACTIVE IODINE

#21
20210287815
2021-09-16

Valve assembly with isolation valve vessel

#22
20210210228
2021-07-08

Valve actuators having motors with insulated windings and related methods

#23
20210210225
2021-07-08

Nuclear reactor protection systems and methods

#24
20210183530
2021-06-17

Reactor shutdown system with melting gate member for segregating neutron absorbing material compartment from core

#25
20200343009
2020-10-29

Nuclear reactor protection systems and methods

#26
20200135347
2020-04-30

Passive electrical component for safety system shutdown using Gauss' Law

#27
20200027591
2020-01-23

System for hydrogen injection for boiling water reactors (BWRs) during startup / shutdown

#28
20190189299
2019-06-20

Three-way valve operational to both transfer steam to a decontamination water tank under one accident situation and discharge the steam to atmosphere under a different accident situation

#29
20190139658
2019-05-09

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

#30
20190122775
2019-04-25

Nuclear-reactor control-absorber drive mechanism and corresponding monitoring method and nuclear reactor

#31
20190115114
2019-04-18

Systems and methods for airflow control in reactor passive decay heat removal

#32
20190088376
2019-03-21

High temperature ceramic nuclear fuel system for light water reactors and lead fast reactors

#33
20190019587
2019-01-17

Integral vessel isolation valve

#34
20180330833
2018-11-15

Managing dynamic forces on a nuclear reactor system

#35
20180197642
2018-07-12

Baffle structure for channel

#36
20180190404
2018-07-05

RADIOACTIVE IODINE ADSORBENT, AND METHOD FOR TREATING RADIOACTIVE IODINE

#37
20180190403
2018-07-05

Plant operation system and plant operation method

#38
20180075932
2018-03-15

Methods related to valve actuators having motors with peek-insulated windings

#39
20170370491
2017-12-28

Butterfly valve formed of a laminated material

#40
20170337994
2017-11-23

Valve assembly with isolation valve vessel

#41
20170269580
2017-09-21

Remote Integrated Monitoring Operation System

#42
20170062082
2017-03-02

Passive nitrogen injecting device for nuclear reactor coolant pump

#43
20160358674
2016-12-08

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

#44
20160276046
2016-09-22

Reactor module support structure

#45
20160125963
2016-05-05

INTRINSICALLY SAFE NUCLEAR REACTOR

#46
20160042815
2016-02-11

Actuating a nuclear reactor safety device

#47
20160027535
2016-01-28

Integral isolation valve systems for loss of coolant accident protection

#48
20150357057
2015-12-10

Nuclear reactor cavity floor passive heat removal system

#49
20150221403
2015-08-06

Facility for reducing radioactive material and nuclear power plant having the same

#50
20150206612
2015-07-23

Solid state electrical generator

#51
20150187447
2015-07-02

Managing dynamic forces on a nuclear reactor system

#52
20150170769
2015-06-18

Passive reactor containment protection system

#53
20150162105
2015-06-11

High temperature gas cooled reactor steam generation system

#54
20150117585
2015-04-30

Gas supply apparatus and air or nitrogen supply apparatus of nuclear plant

#55
20140376680
2014-12-25

Containment Sump Ceramic Drain Plug

#56
20140328445
2014-11-06

Electricity production module

#57
20140321594
2014-10-30

Submerged energy production module

#58
20140308029
2014-10-16

Process and apparatus for treating a gas stream

#59
20140294134
2014-10-02

Submerged electricity production module

#60
20140177777
2014-06-26

Startup/shutdown hydrogen injection system for boiling water reactors (BWRS), and method thereof

#61
20140161218
2014-06-12

Radioactive capture system for severe accident containment of light water reactors (LWRS), and method thereof

#62
20140064426
2014-03-06

System and method for implementing unified computer-based management of fire safety-related risk and compensatory measures management in nuclear power plants

#63
20130336440
2013-12-19

Combined core makeup tank and heat removal system for a small modular pressurized water reactor

#64
20130294993
2013-11-07

Process and apparatus for treating a gas stream

#65
20130294567
2013-11-07

Valve assembly with isolation valve vessel

#66
20130272478
2013-10-17

Integral vessel isolation valve

#67
20130272471
2013-10-17

Island mode for nuclear power plant

#68
20130156144
2013-06-20

Method and apparatus for an alternative remote spent fuel pool cooling system for light water reactors

#69
20130070888
2013-03-21

Method of reducing corrosion of nuclear reactor structural material

#70
20120294408
2012-11-22

Passive emergency feedwater system

#71
20120236980
2012-09-20

NUCLEAR POWER STATION

#72
20120076255
2012-03-29

Alternate feedwater injection system to mitigate the effects of aircraft impact on a nuclear power plant

#73
20120051487
2012-03-01

REACTOR CONTAINMENT STRUCTURE

#74
20120014493
2012-01-19

Reactor head seismic support tie rod system

#75
20100329410
2010-12-30

Basket and pH adjusting device

#76
20100260302
2010-10-14

NUCLEAR REACTOR WITH IMPROVED COOLING IN AN ACCIDENT SITUATION

#77
20090207963
2009-08-20

NUCLEAR REACTOR

#78
20090129530
2009-05-21

Passive emergency feedwater system

#79
20080025455
2008-01-31

REACTOR FEEDWATER SYSTEM

#80
20060045230
2006-03-02

Method and apparatus for mitigating pressure loss in a steam tunnel of a boiling water reactor

#81
20050201507
2005-09-15

Nuclear power plant, method of replacement in the same and method of operating the same

#82
16521887
2022-04-19

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

#83
13589126
2014-10-21

Seismic safe nuclear power plant