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CPC Subgroup
G21C 3/06

Casings; Jackets

Full Title

Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements > Fuel elements > Constructional details > Casings; Jackets

5 direct subcodes

Child Classifications

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  • G21C 3/07 characterised by their material, e.g. alloys
  • G21C 3/08 provided with external means to promote heat-transfer, e.g. fins, baffles
  • G21C 3/12 Means forming part of the element for locating it within the reactor core
  • G21C 3/14 Means forming part of the element for inserting it into, or removing it from, the core; Means for coupling adjacent elements

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