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PCE
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CPC Subgroup
G21C 1/18

coolant being pressurised

Full Title

Reactor types > Thermal reactors > Heterogeneous reactors, i.e. in which fuel and moderator are separated > moderator being substantially not pressurised, e.g. swimming-pool reactor (G21C1/22 takes precedence) > moderator and coolant being different or separated, e.g. sodium-graphite reactor > coolant being pressurised

1 direct subcode

Child Classifications

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  • G21C 1/20 moderator being liquid, e.g. pressure-tube reactor

Top Applicants

Top 10 applicants by patent filingsfor class G21, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINA GENERAL NUCLEAR POWER CORPORATION 1,383
  2. WESTINGHOUSE ELECTRIC CORPORATION US 1,347
  3. KOREA ATOMIC ENERGY RESEARCH INSTITUTE KR 1,303
  4. CGN POWER COMPANY 1,156
  5. CHINA NUCLEAR POWER ENGINEERING COMPANY 1,149
  6. KOREA HYDRO & NUCLEAR POWER COMPANY KR 1,146
  7. NUCLEAR POWER INSTITUTE OF CHINA 1,086
  8. CHINESE ACADEMY OF SCIENCES 765
  9. CEA (COMMISSARIAT A L'ENERGIE ATOMIQUE) FR 763
  10. CHINA INSTITUTE OF ATOMIC ENERGY 659