Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
G21D 7/04

using thermoelectric elements (structural combination of fuel element with thermoelectric element G21C3/40 ; thermoelectric elements per se H10N10/00, H10N15/00)

Full Title

Arrangements for direct production of electric energy from fusion or fission reactions (obtaining electric energy from radioactive sources G21H1/00) > using thermoelectric elements (structural combination of fuel element with thermoelectric element G21C3/40 ; thermoelectric elements per se H10N10/00, H10N15/00)

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