Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
G21C 19/375

Compacting devices, e.g. for fuel assemblies

Introduced: January 1990

Last revised: January 2006

Full Title

Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel > Apparatus or processes for dismantling nuclear fuel, e.g. before reprocessing > Mechanical means only > Compacting devices, e.g. for fuel assemblies

Classification Context

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

Filing statistics

IPC G21C 19/375 belongs to the parent subclass G21C, which recorded 29,798 patent applications worldwide between 2013 and 2023. Annual filings declined from 2,773 in 2013 to 2,661 in 2023 (-4%), peaking at 3,001 applications in 2021. The most active applicants in class G21 are CHINA GENERAL NUCLEAR POWER CORPORATION (2,364 applications), CGN POWER COMPANY (1,899 applications) and CHINA NUCLEAR POWER ENGINEERING COMPANY (1,870 applications).

Source: EPO PATSTAT, worldwide filings

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