G21C 21/00 Apparatus or processes specially adapted to the manufacture of reactors or parts thereof (in general section B, e.g. B23)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
CPC: Apparatus or processes specially adapted to the manufacture of reactors or parts thereof (in general section B, e.g. B23)
Full Title
Full titles differ between systems:
Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
Apparatus or processes specially adapted to the manufacture of reactors or parts thereof (in general section B, e.g. B23)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G21C 21/02 Manufacture of fuel elements or breeder elements contained in non-active casings IPC+CPC Available in IPC and CPC
- G21C 21/18 Manufacture of control elements covered by group G21C7/00 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