ClassID:

200065

G21C1/32 - CPC Classification

Classification description:

Reactor types Integral reactors, i.e. reactors wherein parts functionally associated with the reactor but not essential to the reaction, e.g. heat exchangers, are disposed inside the enclosure with the core

Sub-classes:
Recent Application in this class:
#1
20260128185
2026-05-07

MICRO INTEGRAL NUCLEAR REACTOR

#2
20260074085
2026-03-12

MOLTEN SALT REACTOR CONTAINMENT

#3
20260045377
2026-02-12

INTEGRATED REACTOR, AND CHARGING AND REFUELING SYSTEM AND METHOD

#4
20250385017
2025-12-18

SYSTEM FOR MANUFACTURING, INSTALLING, OPERATING, AND MAINTAINING TWO OR MORE TRANSPORTABLE NUCLEAR POWER PLANTS

#5
20250336552
2025-10-30

POOL-TYPE REACTOR WITH DRAIN TANK

#6
20250292924
2025-09-18

METHOD FOR REFURBISHING A NUCLEAR POWER PLANT INITIALLY COMPRISING AT LEAST ONE LIGHT-WATER NUCLEAR REACTOR (LWR), IN PARTICULAR A PRESSURISED WATER REACTOR (PWR) OR A BOILING WATER REACTOR (BWR), WITH AT LEAST ONE INTEGRATED MODULAR NUCLEAR REACTOR (SMR)

#7
20250243139
2025-07-31

THERMAL DECOMPOSITION OF SODIUM FORMATE AND SODIUM OXALATE USING SUPER-HEATED STEAM FROM NUCLEAR REACTOR SYSTEM FOR DIRECT IN-SITU METHANOL PRODUCTION

#8
20250191801
2025-06-12

MOLTEN SALT REACTOR CONTAINMENT

#9
20250182916
2025-06-05

POOL-TYPE REACTOR WITH DRAIN TANK

#10
20250062047
2025-02-20

MOLTEN SALT REACTOR CONTAINMENT

#11
20250062046
2025-02-20

MOLTEN SALT REACTOR CONTAINMENT

#12
20250062042
2025-02-20

POOL-TYPE REACTOR WITH DRAIN TANK

#13
20250046478
2025-02-06

SMALL NUCLEAR REACTOR APPARATUS AND OPERATION METHOD THEREOF

#14
20240331886
2024-10-03

TRANSPORTABLE SUB-CRITICAL MODULES DISPOSED IN INTERMODAL TRANSPORT CONTAINER FOR POWER GENERATION

#15
20240312654
2024-09-19

IN-CORE INSTRUMENTATION

#16
20240312651
2024-09-19

PASSIVE EMERGENCY FEEDWATER SYSTEM

#17
20240290510
2024-08-29

A nuclear reactor module and a nuclear district heating reactor comprising and method of operating the same

#18
20240120118
2024-04-11

CORE ASSEMBLY SODIUM FLOW CONTROL SYSTEM

#19
20240013937
2024-01-11

IN-CORE PRINTED CIRCUIT HEAT EXCHANGER

#20
20230386686
2023-11-30

NUCLEAR REACTOR

#21
20230187090
2023-06-15

SULFUR BLANKET

#22
20220367075
2022-11-17

PASSIVE TECHNIQUES FOR LONG-TERM REACTOR COOLING

#23
20220344066
2022-10-27

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

#24
20220319724
2022-10-06

NUCLEAR REACTOR

#25
20220281568
2022-09-08

MARINE POWER STRUCTURE AND COASTAL NUCLEAR POWER STATION THEREFOR

#26
20220277862
2022-09-01

Pressurized water reactor with upper vessel section providing both pressure and flow control

#27
20220199269
2022-06-23

LOWER END FITTING LOCATING PINS

#28
20220163196
2022-05-26

INTEGRATED CONTROL LOGIC DEVICE AND OPERATING METHOD THEREOF FOR MAIN CONTROL VALVE AND AUXILIARY CONTROL VALVE TO CONTROL WATER LEVEL OF STEAM GENERATOR OF NUCLEAR POWER PLANT

#29
20220148745
2022-05-12

NUCLEAR POWER GENERATION SYSTEM AND NUCLEAR REACTOR UNIT

#30
20220115156
2022-04-14

Transportable sub-critical modules disposed in intermodal transport container for power generation

#31
20220108809
2022-04-07

Nuclear reactor plant for housing nuclear reactor modules

#32
20220028569
2022-01-27

Structural material for molten salt reactors

#33
20220005618
2022-01-06

Combined mounting/electrical distribution plate for powering internal control rod drive mechanism (CRDM) units of a nuclear reactor

#34
20210343432
2021-11-04

Integral reactor pressure vessel tube sheet

#35
20200350084
2020-11-05

Passive techniques for long-term reactor cooling

#36
20200286636
2020-09-10

Control rod drive mechanism (CRDM) mounting method for pressurized water reactors

#37
20200203029
2020-06-25

Passive techniques for long-term reactor cooling

#38
20200051704
2020-02-13

Method for housing nuclear reactor modules

#39
20190392958
2019-12-26

Upper vessel transport

#40
20190385754
2019-12-19

Nuclear reactor integrating a safety primary heat exchanger

#41
20190279780
2019-09-12

Fuel assembly design concept and mixed cycle length operation method for long cycle length pressurized water reactor operation

#42
20190259504
2019-08-22

Pressure vessel

#43
20190206579
2019-07-04

Nuclear reactor module with a cooling chamber for a drive motor of a control rod drive mechanism

#44
20190156961
2019-05-23

Nuclear reactor provided with a raised heat exchanger

#45
20190066855
2019-02-28

Combined mounting/electrical distribution plate for powering internal control rod drive mechanism (CRDM) units of a nuclear reactor

#46
20190057789
2019-02-21

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

#47
20190019588
2019-01-17

SHUTDOWN SYSTEM FOR A NUCLEAR STEAM SUPPLY SYSTEM

#48
20190019585
2019-01-17

Mitigation assembly for nuclear reactor comprising a removable sealing plug

#49
20180330833
2018-11-15

Managing dynamic forces on a nuclear reactor system

#50
20180322965
2018-11-08

Pressurized water reactor with upper vessel section providing both pressure and flow control

#51
20180261343
2018-09-13

Passive emergency feedwater system

#52
20180261341
2018-09-13

Small modular reactor fuel assembly

#53
20180233240
2018-08-16

Nuclear power plant

#54
20180226162
2018-08-09

Integral reactor pressure vessel tube sheet

#55
20180226161
2018-08-09

Nuclear reactor with screw-nut drive of core reactivity control members

#56
20180197641
2018-07-12

CRDM internal electrical connector and method of use thereof

#57
20180190396
2018-07-05

Electrical penetration assembly for a nuclear reactor vessel

#58
20180190392
2018-07-05

Control rod drive mechanism (CRDM) with remote disconnect mechanism

#59
20180190391
2018-07-05

Nuclear reactor with heating elements housed in their entirety in an integrated pressurizer

#60
20180090237
2018-03-29

Transportable sub-critical modules for nuclear power generation

#61
20180068749
2018-03-08

Control rod drive mechanism (CRDM) mounting method for pressurized water reactors

#62
20180061513
2018-03-01

Nuclear reactor, in particular liquid-metal-cooled compact nuclear reactor

#63
20180033500
2018-02-01

Modular reactor steam generator configured to cover a reactor outer wall circumference

#64
20170309354
2017-10-26

Heat exchanger and nuclear power plant comprising same

#65
20170263344
2017-09-14

Servicing a nuclear reactor module

#66
20170213608
2017-07-27

In-core instrumentation

#67
20170178756
2017-06-22

Multi-modular power plant with dedicated electrical grid

#68
20170069402
2017-03-09

Nanofuel internal engine

#69
20160300628
2016-10-13

Compact nuclear reactor with integral steam generator

#70
20160276046
2016-09-22

Reactor module support structure

#71
20160273540
2016-09-22

Centrifugal cooling pump for a nuclear reactor having a thermal barrier and a vaned wheel flywheel

#72
20160260508
2016-09-08

Shutdown system for a nuclear steam supply system

#73
20160232996
2016-08-11

Steam generator with inclined tube sheet

#74
20160231059
2016-08-11

Small nuclear power generator

#75
20160203882
2016-07-14

Method of removing upper internals from a nuclear reactor pressurized vessel

#76
20160180974
2016-06-23

Passive integral isolation valve

#77
20160049210
2016-02-18

Modular transportable nuclear generator

#78
20160042816
2016-02-11

Reactor and operating method for the reactor

#79
20160012924
2016-01-14

Electric fission reactor for space applications

#80
20150243389
2015-08-27

Pressurized water reactor with upper vessel section providing both pressure and flow control

#81
20150243388
2015-08-27

Nuclear stream supply system

#82
20150200027
2015-07-16

Pressurized water reactor with upper vessel section providing both pressure and flow control

#83
20150187447
2015-07-02

Managing dynamic forces on a nuclear reactor system

#84
20150187446
2015-07-02

Managing nuclear reactor control rods

#85
20150052886
2015-02-26

Nuclear powered rotary internal engine apparatus

#86
20140366354
2014-12-18

Servicing a nuclear reactor module

#87
20140348287
2014-11-27

Dual fluid reactor

#88
20140198891
2014-07-17

Method and apparatus for refueling a nuclear reactor having an instrumentation penetration flange

#89
20140198890
2014-07-17

Apparatus and method for removing the upper internals from a nuclear reactor pressurized vessel

#90
20140192947
2014-07-10

Submerged electricity production module

#91
20140140467
2014-05-22

PRESSURIZED WATER REACTOR WITH INTERNAL REACTOR COOLANT PUMP SYSTEM

#92
20140140463
2014-05-22

Small modular reactor fuel assembly

#93
20140133618
2014-05-15

Control room for nuclear power plant

#94
20140050292
2014-02-20

Separate type safety injection tank and integral type reactor having the same

#95
20140016734
2014-01-16

Passive safety system of integral reactor

#96
20130301785
2013-11-14

Suspended upper internals for compact nuclear reactor including a mid-hanger plate

#97
20130301784
2013-11-14

Suspended upper internals for compact nuclear reactor including a lower hanger plate

#98
20130301777
2013-11-14

Electrical feedthroughs for nuclear reactor

#99
20130301775
2013-11-14

CRDM internal electrical connector

#100
20130287160
2013-10-31

Riser transition element for compact nuclear reactor

#101
20130272480
2013-10-17

Lower end fitting locating pins

#102
20130272473
2013-10-17

Auxiliary condenser system for decay heat removal in a nuclear reactor

#103
20130272465
2013-10-17

Power distribution plate for powering internal control rod drive mechanism (CRDM) units

#104
20130223580
2013-08-29

Control rod drive mechanism (CRDM) mounting system for pressurized water reactors

#105
20130108005
2013-05-02

Pressurized water reactor with upper vessel section providing both pressure and flow control

#106
20130044853
2013-02-21

FEED WATER AND STEAM HEADER AND NUCLEAR REACTOR HAVING THE SAME

#107
20130028367
2013-01-31

Pressurized water reactor with reactor coolant pumps operating in the downcomer annulus

#108
20120321030
2012-12-20

Integrated emergency core cooling system condenser for pressurized water reactor

#109
20120294410
2012-11-22

Pressurizer baffle plate and pressurized water reactor (PWR) employing same

#110
20120294408
2012-11-22

Passive emergency feedwater system

#111
20120294405
2012-11-22

Pressurized water reactor with upper vessel section providing both pressure and flow control

#112
20120243651
2012-09-27

Emergency core cooling system for pressurized water reactor

#113
20120183113
2012-07-19

Reactor core of liquid metal cooled reactor

#114
20120177168
2012-07-12

Passive emergency feedwater system

#115
20110293060
2011-12-01

Liquid fuel nuclear fission reactor

#116
20110293059
2011-12-01

Liquid fuel nuclear fission reactor

#117
20110222642
2011-09-15

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

#118
20110194664
2011-08-11

REACTIVITY CONTROL ROD FOR CORE, CORE OF NUCLEAR REACTOR, NUCLEAR REACTOR AND NUCLEAR POWER PLANT

#119
20110116591
2011-05-19

Liquid cooled nuclear reactor with annular steam generator

#120
20100322369
2010-12-23

LIQUID COOLED NUCLEAR REACTOR WITH ANNULAR STEAM GENERATOR

#121
20100067641
2010-03-18

REACTIVITY CONTROL ROD FOR CORE, CORE OF NUCLEAR REACTOR, NUCLEAR REACTOR AND NUCLEAR POWER PLANT

#122
20090207963
2009-08-20

NUCLEAR REACTOR

#123
20090129530
2009-05-21

Passive emergency feedwater system

#124
20090080586
2009-03-26

REACTIVITY CONTROL ROD FOR CORE, CORE OF NUCLEAR REACTOR, NUCLEAR REACTOR AND NUCLEAR POWER PLANT

#125
20090010374
2009-01-08

REACTIVITY CONTROL ROD FOR CORE, CORE OF NUCLEAR REACTOR, NUCLEAR REACTOR AND NUCLEAR POWER PLANT

#126
20060210010
2006-09-21

Reactivity control rod for core, core of nuclear reactor, nuclear reactor and nuclear power plant

#127
20060126775
2006-06-15

Reactivity control rod for core, core of nuclear reactor, nuclear reactor and nuclear power plant

#128
20050018806
2005-01-27

Compact pressurized water nuclear reactor