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PCE
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DIFF Subgroup
G21C 21/02

Manufacture of fuel elements or breeder elements contained in non-active casings

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Apparatus or processes specially adapted to the manufacture of reactors or parts thereof > Manufacture of fuel elements or breeder elements contained in non-active casings

CPC:

Apparatus or processes specially adapted to the manufacture of reactors or parts thereof (in general section B, e.g. B23) > Manufacture of fuel elements or breeder elements contained in non-active casings

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

Child Classifications

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  • G21C 21/04 by vibrational compaction or tamping IPC+CPC Available in IPC and CPC
  • G21C 21/06 by swaging IPC+CPC Available in IPC and CPC
  • G21C 21/08 by a slip-fit cladding process IPC+CPC Available in IPC and CPC
  • G21C 21/10 by extrusion, drawing, or stretching IPC+CPC Available in IPC and CPC
  • G21C 21/12 by hydrostatic or thermo-pneumatic canning IPC+CPC Available in IPC and CPC
  • G21C 21/14 by plating in a fluid IPC+CPC Available in IPC and CPC
  • G21C 21/16 by casting or dipping techniques IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class G21,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINA GENERAL NUCLEAR POWER CORPORATION 2,364
  2. CGN POWER COMPANY 1,899
  3. CHINA NUCLEAR POWER ENGINEERING COMPANY 1,870
  4. NUCLEAR POWER INSTITUTE OF CHINA 1,517
  5. KOREA ATOMIC ENERGY RESEARCH INSTITUTE KR 1,367
  6. WESTINGHOUSE ELECTRIC CORPORATION US 1,295
  7. KOREA HYDRO & NUCLEAR POWER COMPANY KR 1,196
  8. CHINESE ACADEMY OF SCIENCES 1,044
  9. CHINA INSTITUTE OF ATOMIC ENERGY 1,011
  10. HITACHI-GE NUCLEAR ENERGY 955

Top Applicants (CPC)

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