ClassID:

200049

G21C1/086 - CPC Classification

Classification description:

Reactor types; Thermal reactors ; Epithermal reactors; Heterogeneous reactors, i.e. in which fuel and moderator are separated moderator being highly pressurised, e.g. boiling water reactor, integral super-heat reactor, pressurised water reactor Pressurised water reactors

Recent Application in this class:
#1
20260121573
2026-04-30

HYBRID POWER GENERATION SYSTEM

#2
20250349445
2025-11-13

METHOD AND APPARATUS FOR DETERMINING ROD POSITION OF CONTROL ROD OF PRESSURIZED WATER REACTOR, AND ROD POSITION MEASUREMENT SYSTEM

#3
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)

#4
20240420854
2024-12-19

THORIUM-BASED FUEL DESIGN FOR PRESSURIZED HEAVY WATER REACTORS

#5
20240312650
2024-09-19

BOILING WATER REACTORS

#6
20240312646
2024-09-19

DEBRIS FILTERING ARRANGEMENT FOR NUCLEAR FUEL ASSEMBLY BOTTOM NOZZLE AND BOTTOM NOZZLE INCLUDING SAME

#7
20240266079
2024-08-08

Thorium-based fuel design for pressurized heavy water reactors

#8
20240021328
2024-01-18

Thorium-based fuel design for pressurized heavy water reactors

#9
20230141492
2023-05-11

Bottom nozzle with protective insert

#10
20220367071
2022-11-17

Thorium-based fuel design for pressurized heavy water reactors

#11
20220277862
2022-09-01

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

#12
20220044832
2022-02-10

Method for decommissioning nuclear facility

#13
20220005618
2022-01-06

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

#14
20210287816
2021-09-16

Apparatus for treating waste of nuclear reactor pressure vessel, and method for treating waste of nuclear reactor pressure vessel

#15
20210280330
2021-09-09

Nuclear reactor dismantlement system

#16
20210098141
2021-04-01

Single-loop nuclear power plant with pressurized coolant

#17
20210050122
2021-02-18

Nuclear reactor vessel support system

#18
20200395135
2020-12-17

INTEGRAL PRESSURE VESSEL PENETRATIONS AND SYSTEMS AND METHODS FOR USING AND FABRICATING THE SAME

#19
20200373025
2020-11-26

DEBRIS FILTERING ARRANGEMENT FOR NUCLEAR FUEL ASSEMBLY BOTTOM NOZZLE AND BOTTOM NOZZLE INCLUDING SAME

#20
20200321136
2020-10-08

Very simplified boiling water reactors for commercial electricity generation

#21
20200005950
2020-01-02

Compact reactor with horizontal steam generators and pressurizer

#22
20190279780
2019-09-12

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

#23
20190066855
2019-02-28

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

#24
20190057789
2019-02-21

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

#25
20180374590
2018-12-27

Absorber rod assembly for nuclear reactor

#26
20180330835
2018-11-15

Method for managing stoppage of a pressurised-water nuclear reactor

#27
20180322966
2018-11-08

Very simplified boiling water reactors for commercial electricity generation

#28
20180322965
2018-11-08

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

#29
20170316839
2017-11-02

Pressure-tube reactor with pressurized moderator

#30
20170206985
2017-07-20

Top nozzle and pressurized water nuclear reactor including same

#31
20170194064
2017-07-06

Measurement apparatus for determining compressive loading that will be applied to a fuel rod of a pressurized water reactor

#32
20170154691
2017-06-01

Post-meltdown nuclear power plant recovery system

#33
20170133112
2017-05-11

Nuclear reactor system having natural circulation of primary coolant

#34
20160203883
2016-07-14

Semi Submersible Nuclear Power Plant and Multi-Purpose Platform

#35
20160203882
2016-07-14

Method of removing upper internals from a nuclear reactor pressurized vessel

#36
20160180975
2016-06-23

Light water reactor with condensing steam generator

#37
20160141057
2016-05-19

Excavation and weld repair methodology for pressurized water reactor piping and vessel nozzles

#38
20160111174
2016-04-21

Advanced first core fuel assembly configuration

#39
20150371724
2015-12-24

INTEGRATED-TYPE PRESSURIZED WATER NUCLEAR REACTOR COMPRISING AN INTEGRATED PRESSURIZER

#40
20150357059
2015-12-10

Flow distribution device, lower internals of reactor and reactor

#41
20150348658
2015-12-03

Nuclear reactor nozzle repair method

#42
20150310943
2015-10-29

Pressurized water reactor flow skirt apparatus

#43
20150243389
2015-08-27

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

#44
20150243377
2015-08-27

COMPACT NUCLEAR REACTOR

#45
20150239065
2015-08-27

LASER PROCESSING APPARATUS AND LASER PROCESSING METHOD

#46
20150200027
2015-07-16

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

#47
20140307843
2014-10-16

Reactor in-core instrument handling system

#48
20130287158
2013-10-31

Suspended upper internals with tie rod couplings for compact nuclear reactor

#49
20130272465
2013-10-17

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

#50
20130121453
2013-05-16

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

#51
20130121452
2013-05-16

Pressure-tube reactor with pressurized moderator

#52
20130108005
2013-05-02

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

#53
20130028367
2013-01-31

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

#54
20120321030
2012-12-20

Integrated emergency core cooling system condenser for pressurized water reactor

#55
20120307956
2012-12-06

NUCLEAR REACTOR SYSTEM HAVING NATURAL CIRCULATION OF PRIMARY COOLANT

#56
20120294410
2012-11-22

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

#57
20120294406
2012-11-22

Advanced first core fuel assembly configuration and method of implementing the same

#58
20120294405
2012-11-22

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

#59
20120163524
2012-06-28

Tie plate with variable orifice and methods for selective control of fuel assembly coolant flow

#60
20120076254
2012-03-29

Compact nuclear reactor

#61
20110158371
2011-06-30

Pressurized water reactor plant

#62
20100290578
2010-11-18

DEPLOYABLE ELECTRIC ENERGY REACTOR

#63
20100278294
2010-11-04

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