ClassID:

200243

G21C15/18 - page 2 - CPC Classification

Classification description:

Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants Emergency cooling arrangements; Removing shut-down heat

Recent Application in this class:
#301
20120294409
2012-11-22

TRANSIENT MITIGATION SYSTEM FOR REACTOR

#302
20120294408
2012-11-22

Passive emergency feedwater system

#303
20120281802
2012-11-08

EMERGENCY SYSTEM

#304
20120263268
2012-10-18

Passive high pressure safety injection tank system (HPSIT) for responding to station blackout (SBO) and loss-of-coolant accidents (LOCA)

#305
20120243651
2012-09-27

Emergency core cooling system for pressurized water reactor

#306
20120236980
2012-09-20

NUCLEAR POWER STATION

#307
20120201342
2012-08-09

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

#308
20120177168
2012-07-12

Passive emergency feedwater system

#309
20120155597
2012-06-21

Nuclear reactor automatic depressurization system

#310
20120121056
2012-05-17

Reactor containment vessel and nuclear power plant using the same

#311
20120087456
2012-04-12

APPARATUS AND METHOD FOR REINFORCING PIPING ARRANGEMENT OF REACTOR CORE SPRAY SYSTEM

#312
20120057668
2012-03-08

REACTOR CONTAINMENT STRUCTURE

#313
20120051487
2012-03-01

REACTOR CONTAINMENT STRUCTURE

#314
20120051486
2012-03-01

REACTOR CONTAINMENT STRUCTURE

#315
20120051485
2012-03-01

CORIUM COOLING PROMOTING APPARATUS AND CONTAINMENT

#316
20110314858
2011-12-29

REACTOR CONTAINMENT VESSEL COOLING SYSTEM, REACTOR CONTAINMENT VESSEL, AND REACTOR CONTAINMENT VESSEL COOLING METHOD

#317
20110297627
2011-12-08

Strainers for emergency core cooling systems—ECCS

#318
20110283511
2011-11-24

Method to apply a clamp to a core spray sparger T-box

#319
20110255650
2011-10-20

BI-STABLE NUCLEAR REACTOR

#320
20110252627
2011-10-20

Method for repairing a core spray line elbow weld joint

#321
20110235770
2011-09-29

Core spray sparger T-box clamp assemblies and methods of using thereof

#322
20110222642
2011-09-15

SFR NUCLEAR REACTOR OF THE INTEGRATED TYPE WITH IMPROVED COMPACTNESS AND CONVECTION

#323
20110158371
2011-06-30

Pressurized water reactor plant

#324
20110101177
2011-05-05

APPARATUS AND METHOD FOR REINFORCING PIPING ARRANGEMENT OF REACTOR CORE SPRAY SYSTEM

#325
20100329410
2010-12-30

Basket and pH adjusting device

#326
20100329409
2010-12-30

Drain sump of nuclear reactor containment vessel

#327
20100290576
2010-11-18

Boiling water reactor

#328
20100288848
2010-11-18

HEAD SPRAY SYSTEM OF REACTOR PRESSURE VESSEL

#329
20100278294
2010-11-04

Emergency core cooling duct for emergency core cooling water injection of a nuclear reactor

#330
20100272226
2010-10-28

Boiling water nuclear reactor and emergency core cooling system of the same

#331
20100260302
2010-10-14

NUCLEAR REACTOR WITH IMPROVED COOLING IN AN ACCIDENT SITUATION

#332
20100239062
2010-09-23

Coolant with dispersed neutron poison micro-particles, used in SCWR emergency core cooling system

#333
20100232560
2010-09-16

PH adjusting system and PH adjusting method

#334
20100226830
2010-09-09

pH adjusting apparatus

#335
20100226470
2010-09-09

Direct vessel injection (DVI) nozzle for minimum emergency core cooling (ECC) water bypass

#336
20100177860
2010-07-15

Fully passive decay heat removal system for sodium-cooled fast reactors that utilizes partially immersed decay heat exchanger

#337
20100124303
2010-05-20

Steam generator flow by-pass system

#338
20100032938
2010-02-11

Apparatus for repairing a core spray downcomer pipe slip joint coupling

#339
20100013221
2010-01-21

Method and apparatus for repairing a flawed welded joint in a core spray piping system

#340
20090323884
2009-12-31

Containment vessel and nuclear power plant therewith

#341
20090279657
2009-11-12

Safety injection tank with gravity driven fluidic device

#342
20090245453
2009-10-01

Decay heat removal system comprising heat pipe heat exchanger

#343
20090232267
2009-09-17

Emergency core cooling system having core barrel injection extension ducts

#344
20090180581
2009-07-16

Accumulator

#345
20090161812
2009-06-25

Evacuated containment vessel for a nuclear reactor

#346
20090154634
2009-06-18

Passive check valve system

#347
20090129531
2009-05-21

Internal dry containment vessel for a nuclear reactor

#348
20090129530
2009-05-21

Passive emergency feedwater system

#349
20090127854
2009-05-21

Method and system for repairing a downcomer pipe in a core spray for a nuclear reactor

#350
20090127415
2009-05-21

Apparatus and method for repairing a core spray line elbow weld joint

#351
20090060112
2009-03-05

BOILING WATER NUCLEAR REACTOR AND EMERGENCY CORE COOLING SYSTEM OF THE SAME

#352
20080317193
2008-12-25

Emergency core cooling system

#353
20080219397
2008-09-11

Decay heat removal system for liquid metal reactor

#354
20080219396
2008-09-11

Nuclear power plant using nanoparticies in closed circuits of emergency systems and related method

#355
20080219395
2008-09-11

Nuclear power plant using nanoparticles in emergency situations and related method

#356
20080198960
2008-08-21

Nuclear reactor vessel fuel thermal insulating barrier

#357
20080121300
2008-05-29

Accumulator

#358
20080121299
2008-05-29

Accumulator and method of manufacturing flow damper

#359
20080112530
2008-05-15

Core spray sparger T-box attachment and clamp and method for clamping

#360
20080031395
2008-02-07

Core spray apparatus and method for installing the same

#361
20070253520
2007-11-01

Stable and passive decay heat removal system for liquid metal reactor

#362
20070076835
2007-04-05

Reactor containment vessel cooling equipment

#363
20070045166
2007-03-01

Compliant connector for ECCS strainer modules

#364
20060251202
2006-11-09

Nuclear facility and method for operating a nuclear facility

#365
20060075697
2006-04-13

Floor tile debris interceptor and transition plenum in a nuclear power plant

#366
20060018421
2006-01-26

Core spray apparatus and method for installing the same

#367
20050265511
2005-12-01

Pressure suppression and decontamination apparatus and method for reactor container

#368
20050220259
2005-10-06

Emergency core cooling system

#369
20050135544
2005-06-23

Passive safety-grade decay-heat removal method and decay-heat removal system for LMR with pool direct heat cooling process

#370
20050013402
2005-01-20

Method of operating a nuclear power plant

#371
17835247
2025-11-25

Heat pipe reactors with arbitrary heat exchangers

#372
16737264
2020-08-18

Nuclear fission passive safety and cooling system

#373
16521887
2022-04-19

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

#374
16186090
2022-03-08

Creep and cascade failure mitigation in heat pipe reactors

#375
15657127
2018-05-08

Cooling overheating reactor using compressed gas to propel liquid to reactor