ClassID:

200251

G21C15/247 - CPC Classification

Classification description:

Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants; Promoting flow of the coolant for liquids for liquid metals

Recent Application in this class:
#1
20260094731
2026-04-02

ANNULAR LINEAR INDUCTION PUMP

#2
20260051415
2026-02-19

PASSIVE BUOYANCY DRIVEN FLUID SYSTEM

#3
20260051414
2026-02-19

PASSIVE BUOYANCY DRIVEN FLUID SYSTEM

#4
20250218612
2025-07-03

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

#5
20240371535
2024-11-07

Nuclear Reactor with Liquid Coolant and Solid Fuel Assemblies, Integrating a System of Evacuation of the Nominal Power with Liquid Metal Bath and Material(s) (MCP) for the Evacuation of the Residual Power in the Event of an Accident

#6
20240339232
2024-10-10

Flow through liquid metal cooled molten salt reactors

#7
20240312649
2024-09-19

Nuclear Reactor and Operation Method for Nuclear Reactor

#8
20240304344
2024-09-12

NUCLEAR REACTOR WITH LIQUID HEAT TRANSFER AND SOLID FUEL ASSEMBLIES, INTEGRATING A NOMINAL POWER EVACUATION SYSTEM WITH A LIQUID METAL BATH AND MATERIAL(S) (MCP) FOR THE EVACUATION OF RESIDUAL POWER IN THE EVENT OF AN ACCIDENT

#9
20240274305
2024-08-15

PIPING ENHANCEMENT FOR BACKFLOW PREVENTION IN A MULTIPLE LOOP, METAL COOLED NUCLEAR REACTOR SYSTEM

#10
20240170167
2024-05-23

NUCLEAR REACTOR WITH A HEAVY LIQUID METAL COOLANT

#11
20240047089
2024-02-08

SHIELDED ELECTROMAGNETIC PUMPS FOR NUCLEAR REACTORS

#12
20230402197
2023-12-14

IN-VESSEL NATURAL CIRCULATION ALKALI METAL REACTOR SYSTEM, PURIFICATION SYSTEM, AND ASSOCIATED METHODS

#13
20230260668
2023-08-17

Nuclear reactor passive reactivity control system

#14
20230197301
2023-06-22

NUCLEAR REACTOR COOLED BY LIQUID METAL INCORPORATING A PASSIVE DECAY HEAT REMOVAL SYSTEM WITH A PHASE CHANGE MATERIAL THERMAL RESERVOIR AND A REMOVABLE THERMALLY-INSULATING LAYER AROUND THE PHASE CHANGE MATERIAL RESERVOIR

#15
20230127207
2023-04-27

METHODS AND SYSTEMS FOR IMPROVED TEST FUEL REACTOR

#16
20230119995
2023-04-20

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

#17
20230110459
2023-04-13

Multistage annular linear induction pump for nuclear reactors

#18
20230042504
2023-02-09

Flow through liquid metal cooled molten salt reactors

#19
20220392653
2022-12-08

EXTERNAL REACTOR VESSEL COOLING SYSTEM FOR FLOATING NUCLEAR POWER PLANTS

#20
20220345022
2022-10-27

Annular electromagnetic induction pump

#21
20220344066
2022-10-27

A NUCLEAR REACTOR COMPRISING A REACTOR LID AND AN ADDITIONAL INNER LID

#22
20220319723
2022-10-06

Lead-cooled fast reactor utilizing control drums

#23
20220102016
2022-03-31

Pool type liquid metal fast spectrum reactor using a printed circuit heat exchanger connection to the power conversion system

#24
20220051820
2022-02-17

Curvilinear electromagnetic pump

#25
20220051817
2022-02-17

Passive heat removal system for nuclear reactors

#26
20220051814
2022-02-17

Reactor core and control elements supported by a reactor vessel head

#27
20210287814
2021-09-16

Method of configuring liquid metal-cooled nuclear reactor with backflow electromagnetic pump (EMP)

#28
20210210229
2021-07-08

Liquid metal-cooled nuclear reactor incorporating a completely passive residual power removal (DHR) system

#29
20210065921
2021-03-04

NUCLEAR REACTOR AND OPERATION METHOD FOR NUCLEAR REACTOR

#30
20200161008
2020-05-21

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

#31
20200027594
2020-01-23

Methods of constructing nuclear power plants with geothermal passive cooling

#32
20190371482
2019-12-05

Electrochemical Separation Mechanism in a Molten Salt Reactor

#33
20190333652
2019-10-31

Piping enhancement for backflow prevention in a multiple loop, metal cooled nuclear reactor system

#34
20190252084
2019-08-15

Nuclear reactor pump/heat exchanger assembly

#35
20180047465
2018-02-15

System, a device and a method for passive decay heat transport

#36
20180033504
2018-02-01

Method for preparing to reload a nuclear reactor

#37
20170330641
2017-11-16

Method of Nuclear Reactor Core Annealing and Nuclear Reactor

#38
20170243664
2017-08-24

Reactivity control in a molten salt reactor

#39
20170243662
2017-08-24

Modular nuclear fission waste conversion reactor

#40
20170162283
2017-06-08

Nuclear reactor liquid metal coolant backflow control

#41
20170162280
2017-06-08

Piping enhancement for backflow prevention in a multiple loop, metal cooled nuclear reactor system

#42
20170148534
2017-05-25

Rotary device for nuclear power facility

#43
20170125130
2017-05-04

NUCLEAR POWER PLANT AND DEVICE FOR FEEDING A COVER GAS INTO THE PLANT

#44
20170117062
2017-04-27

Method and device for control of oxygen concentration in a nuclear reactor plant

#45
20160336082
2016-11-17

Reactor system with a lead-cooled fast reactor

#46
20160260509
2016-09-08

Nuclear reactor coolant pump and nuclear power plant having same

#47
20160247587
2016-08-25

Liquid metal cooled nuclear reactor, system for monitoring oxygen thermodynamic activity in such reactors and method of monitoring oxygen thermodynamic activity

#48
20160232990
2016-08-11

Method for the in situ passivation of the steel surfaces of a nuclear reactor

#49
20150294745
2015-10-15

Nuclear reactor with liquid metal coolant

#50
20150200021
2015-07-16

Passive shutdown system and method of operating a liquid metal cooled reactor using the same

#51
20140348287
2014-11-27

Dual fluid reactor

#52
20140301522
2014-10-09

Controllable long term operation of a nuclear reactor

#53
20140091746
2014-04-03

Electromagnetic pump compensation power supply apparatus and electromagnetic pump system

#54
20130216015
2013-08-22

INTEGRATED SODIUM-COOLED FAST NUCLEAR REACTOR

#55
20120140866
2012-06-07

FAST BREEDER REACTOR TYPE NUCLEAR POWER PLANT SYSTEM

#56
20120138179
2012-06-07

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

#57
20120099694
2012-04-26

Fast reactor

#58
20120087455
2012-04-12

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

#59
20120085448
2012-04-12

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

#60
20120085447
2012-04-12

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

#61
20120084970
2012-04-12

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

#62
20110286569
2011-11-24

FAST BREEDER REACTOR TYPE NUCLEAR POWER PLANT SYSTEM

#63
20110222642
2011-09-15

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

#64
20090122944
2009-05-14

FAST BREEDER REACTOR TYPE NUCLEAR POWER PLANT SYSTEM

#65
20080123795
2008-05-29

Controllable long term operation of a nuclear reactor