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IPC Subgroup
G21C 3/2

with coating on fuel or on inside of casing; with non-active interlayer between casing and active material

Introduced: September 1968

Last revised: January 2006

Full Title

Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements > Fuel elements > Constructional details > Details of the construction within the casing > with coating on fuel or on inside of casing; with non-active interlayer between casing and active material

Classification Context

Section:
PHYSICS
Class:
NUCLEAR PHYSICS; NUCLEAR ENGINEERING
Subclass:
NUCLEAR REACTORS

Related Keywords

COATING fuel elements of nuclear reactors

Top Applicants

Top 10 applicants by patent filingsfor 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