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PCE
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CPC Subgroup
G21D 5/12

Liquid working medium vaporised by reactor coolant

Full Title

Arrangements of reactor and engine in which reactor-produced heat is converted into mechanical energy > Reactor and engine not structurally combined > with engine working medium heated in a heat exchanger by the reactor coolant > Liquid working medium vaporised by reactor coolant

2 direct subcodes

Child Classifications

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  • G21D 5/14 and also superheated by reactor coolant
  • G21D 5/16 superheated by separate heat source

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