IPC Main Group
G21C 19/00 Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- Subclass:
- NUCLEAR REACTORS
13 direct subcodes
Child Classifications
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- G21C 19/02 Details of handling arrangements
- G21C 19/14 characterised by their adaptation for use with horizontal channels in the reactor core
- G21C 19/16 Articulated or telescopic chutes or tubes for connection to channels in the reactor core
- G21C 19/18 Apparatus for bringing fuel elements to the reactor charge area, e.g. from a storage place
- G21C 19/19 Reactor parts specifically adapted to facilitate handling, e.g. to facilitate charging or discharging of fuel elements
- G21C 19/2 Arrangements for introducing objects into the pressure vessel; Arrangements for handling objects within the pressure vessel; Arrangements for removing objects from the pressure vessel
- G21C 19/26 Arrangements for removing jammed or damaged fuel elements or control elements; Arrangements for moving broken parts thereof
- G21C 19/28 Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core
- G21C 19/32 Apparatus for removing radioactive objects or materials from the reactor discharge area, e.g. to a storage place; Apparatus for handling radioactive objects or materials within a storage place or removing them therefrom
- G21C 19/33 Apparatus or processes for dismantling strings of spent fuel elements
- G21C 19/34 Apparatus or processes for dismantling nuclear fuel, e.g. before reprocessing
- G21C 19/4 Arrangements for preventing occurrence of critical conditions, e.g. during storage
- G21C 19/42 Reprocessing of irradiated fuel
Top Applicants
Top 10 applicants by patent filingsfor class G21, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINA GENERAL NUCLEAR POWER CORPORATION 2,364
- CGN POWER COMPANY 1,899
- CHINA NUCLEAR POWER ENGINEERING COMPANY 1,870
- NUCLEAR POWER INSTITUTE OF CHINA 1,517
- KOREA ATOMIC ENERGY RESEARCH INSTITUTE KR 1,367
- WESTINGHOUSE ELECTRIC CORPORATION US 1,295
- KOREA HYDRO & NUCLEAR POWER COMPANY KR 1,196
- CHINESE ACADEMY OF SCIENCES 1,044
- CHINA INSTITUTE OF ATOMIC ENERGY 1,011
- HITACHI-GE NUCLEAR ENERGY 955