DIFF Subgroup
G21B 1/11 Details
Introduced: January 2006
Full Title
Thermonuclear fusion reactors > Details
Of 7 combined children, 6 exist in both systems.
1 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2006.
Child Classifications
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- G21B 1/15 Particle injectors for producing thermonuclear fusion reactions, e.g. pellet injectors since 2006 IPC+CPC Available in IPC and CPC
- G21B 1/19 Targets for producing thermonuclear fusion reactions, e.g. pellets for irradiation by laser or charged particle beams since 2006 IPC+CPC Available in IPC and CPC
- G21B 1/21 Electric power supply systems, e.g. for magnet systems, switching devices, storage devices, circuit arrangements since 2006 IPC+CPC Available in IPC and CPC
- G21B 1/23 Optical systems, e.g. for irradiating targets, for heating plasma or for plasma diagnostics since 2006 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class G21,2013–2023, worldwide · Source: EPO PATSTAT
- CHINA GENERAL NUCLEAR POWER CORPORATION 1,383
- WESTINGHOUSE ELECTRIC CORPORATION US 1,347
- KOREA ATOMIC ENERGY RESEARCH INSTITUTE KR 1,303
- CGN POWER COMPANY 1,156
- CHINA NUCLEAR POWER ENGINEERING COMPANY 1,149
- KOREA HYDRO & NUCLEAR POWER COMPANY KR 1,146
- NUCLEAR POWER INSTITUTE OF CHINA 1,086
- CHINESE ACADEMY OF SCIENCES 765
- CEA (COMMISSARIAT A L'ENERGIE ATOMIQUE) FR 763
- CHINA INSTITUTE OF ATOMIC ENERGY 659