ClassID:

200234

G21C15/00 - CPC Classification

Classification description:

Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants

Sub-classes:
Recent Application in this class:
#1
20250273353
2025-08-28

METHOD AND DEVICE FOR MONITORING A PASSIVE HEAT REMOVAL SYSTEM

#2
20250266178
2025-08-21

THERMAL POWER REACTOR

#3
20230074289
2023-03-09

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

#4
20220399135
2022-12-15

THERMAL POWER REACTOR

#5
20210158980
2021-05-27

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

#6
20210134472
2021-05-06

Techniques for incorporating sensors into apparatuses and systems

#7
20200388408
2020-12-10

Nuclear reactor flow calming assembly

#8
20200161008
2020-05-21

Method of launching natural circulation of liquid metal coolant of a fast neutron nuclear chain reactor

#9
20200143949
2020-05-07

Hydrodynamic pin for centering a nuclear reactor core

#10
20200005951
2020-01-02

Method and Control System for Gas Injection into Coolant and Nuclear Reactor Plant

#11
20200005950
2020-01-02

Compact reactor with horizontal steam generators and pressurizer

#12
20190252082
2019-08-15

Replacing a thermal sleeve in a reactor vessel head adapter

#13
20190057789
2019-02-21

Method for heating a primary coolant in a nuclear steam supply system

#14
20190019588
2019-01-17

SHUTDOWN SYSTEM FOR A NUCLEAR STEAM SUPPLY SYSTEM

#15
20180197642
2018-07-12

Baffle structure for channel

#16
20170309353
2017-10-26

Method and control system for gas injection into coolant and nuclear reactor plant

#17
20170229201
2017-08-10

Apparatus for degassing a nuclear reactor coolant system

#18
20170213606
2017-07-27

Riser cone apparatus to provide compliance between reactor components and minimize reactor coolant bypass flow

#19
20160260508
2016-09-08

Shutdown system for a nuclear steam supply system

#20
20160207019
2016-07-21

Mass transfer apparatus

#21
20160019988
2016-01-21

Containment for a water cooled and moderated nuclear reactor

#22
20150243388
2015-08-27

Nuclear stream supply system

#23
20150243382
2015-08-27

Passive containment air cooling device and system with isolated pressure boundary

#24
20150171190
2015-06-18

Valve for fluid circulation

#25
20150049850
2015-02-19

Compact nuclear power generation system

#26
20140301522
2014-10-09

Controllable long term operation of a nuclear reactor

#27
20140124355
2014-05-08

Self-contained in-ground geothermal generator and heat exchanger with in-line pump

#28
20140064432
2014-03-06

PARTICULATE METAL FUELS USED IN POWER GENERATION, RECYCLING SYSTEMS, AND SMALL MODULAR REACTORS

#29
20130308740
2013-11-21

Pressurizer surge-line separator for integral pressurized water reactors

#30
20130301783
2013-11-14

Riser cone apparatus to provide compliance between reactor components and minimize reactor coolant bypass flow

#31
20130288880
2013-10-31

SiC ceramic material, SiC ceramic structure, and their fabrication methods

#32
20130148771
2013-06-13

MIXING SYSTEM

#33
20130121453
2013-05-16

Pressurized water reactor with upper plenum including cross-flow blocking weir

#34
20120288048
2012-11-15

Nuclear reactor control method and apparatus

#35
20120263270
2012-10-18

Compact integral pressurized water nuclear reactor

#36
20120085447
2012-04-12

Electromagnetic flow regulator, system and methods for regulating flow of an electrically conductive fluid

#37
20120051484
2012-03-01

Fuel element storage and cooling configuration

#38
20110298307
2011-12-08

Cooling unit for nuclear reactor control rod driving apparatus

#39
20100303193
2010-12-02

Particulate metal fuels used in power generation, recycling systems, and small modular reactors

#40
20100246744
2010-09-30

Apparatus and system for dampening the vibration experienced by an object

#41
20100208860
2010-08-19

GC QCMEHC nuclear power plants

#42
20100067644
2010-03-18

Thorium-based nuclear reactor and method

#43
20100055308
2010-03-04

Method of protecting reactor components from fouling

#44
20100040188
2010-02-18

Heat pipe nuclear fission deflagration wave reactor cooling

#45
20090154635
2009-06-18

DRAINAGE APPARATUS AND DRAINAGE METHOD FOR REACTOR COOLANT SYSTEM

#46
20080279326
2008-11-13

Nuclear reactor downcomer flow deflector

#47
20080247499
2008-10-09

Natural circulation boiling water reactor and handling method thereof

#48
20080123795
2008-05-29

Controllable long term operation of a nuclear reactor

#49
20070201607
2007-08-30

Natural circulation boiling water reactor and handling method thereof

#50
20050117689
2005-06-02

Reactor cooling system