ClassID:

200253

G21C15/253 - CPC Classification

Classification description:

Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants; Promoting flow of the coolant for gases, e.g. blowers

Recent Application in this class:
#1
20250191794
2025-06-12

NUCLEAR POWER GENERATION SYSTEM AND NUCLEAR POWER GENERATION METHOD

#2
20240420856
2024-12-19

REACTOR CORE SYSTEM

#3
20240127975
2024-04-18

SERIAL HIGH-TEMPERATURE GAS-COOLED REACTOR NUCLEAR SYSTEMS AND OPERATING METHODS THEREOF

#4
20240006085
2024-01-04

SYSTEM FOR CONTROL OF EXTERNALLY HEATED TURBINE ENGINE

#5
20230230712
2023-07-20

LIGHT WATER NUCLEAR REACTOR (LWR), IN PARTICULAR PRESSURIZED WATER REACTOR (PWR) OR BOILING WATER REACTOR (BWR), WITH A HEAT SINK ON THE GROUND AND INCORPORATING AN AUTONOMOUS DECAY HEAT REMOVAL (DHR) SYSTEM

#6
20230230711
2023-07-20

LIGHT-WATER NUCLEAR REACTOR (LWR), IN PARTICULAR A PRESSURISED WATER REACTOR (PWR) OR BOILING WATER REACTOR (BWR), INCORPORATING AN INTEGRAL, AUTONOMOUS, PASSIVE DECAY HEAT REMOVAL SYSTEM

#7
20230102811
2023-03-30

REACTOR BUILDING AND VESSEL SYSTEMS

#8
20220344067
2022-10-27

SPACE NUCLEAR PROPULSION REACTOR AFT PLENUM ASSEMBLY

#9
20220310278
2022-09-29

Heat exchanger configuration with porous layer

#10
20220254526
2022-08-11

System for control of externally heated turbine engine

#11
20220208402
2022-06-30

Natural circulation heat removal system for a nuclear reactor with pile structure

#12
20220051817
2022-02-17

Passive heat removal system for nuclear reactors

#13
20210335511
2021-10-28

Method and system for bringing a nuclear power plant into a safe state after extreme effect

#14
20210210227
2021-07-08

Cooling system in a nuclear plant

#15
20210110946
2021-04-15

Integrated system for converting nuclear energy into electrical, mechanical, and thermal energy

#16
20210110944
2021-04-15

Modular integrated gas high temperature nuclear reactor

#17
20200005955
2020-01-02

Integrated system for converting nuclear energy into rotational and thermal energy

#18
20200005954
2020-01-02

Integrated system for converting nuclear energy into electrical, rotational and thermal energy

#19
20200005953
2020-01-02

Integrated system for converting nuclear energy into electrical, rotational, and thermal energy

#20
20190148027
2019-05-16

Integrated system for converting nuclear energy into electrical, rotational, and thermal energy

#21
20190049105
2019-02-14

Lower structure cooling apparatus for nuclear reactor steam generator

#22
20190035510
2019-01-31

COOLING SYSTEM FOR NUCLEAR REACTOR

#23
20170287576
2017-10-05

Compressed air, utility-scale, non-polluting energy storage and nuclear reactor emergency cooling system using thermal power plant waste heat

#24
20170186503
2017-06-29

COMPRESSED AIR, UTILITY-SCALE, NON-POLLUTING ENERGY STORAGE AND NUCLEAR REACTOR EMERGENCY COOLING SYSTEM USING THERMAL POWER PLANT WASTE HEAT

#25
20160336082
2016-11-17

Reactor system with a lead-cooled fast reactor

#26
20160005498
2016-01-07

Electricity generation facility comprising a device for producing steam of reduced height, application to PWR and BWR reactors

#27
20150243382
2015-08-27

Passive containment air cooling device and system with isolated pressure boundary

#28
20150162105
2015-06-11

High temperature gas cooled reactor steam generation system

#29
20150016582
2015-01-15

Cooling duct assembly for control element drive mechanism