CPC Main Group
G21C 3/00 Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
5 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- G21C 3/02 Fuel elements
- G21C 3/30 Assemblies of a number of fuel elements in the form of a rigid unit
- G21C 3/38 Fuel units consisting of a single fuel element in a supporting sleeve
- G21C 3/40 Structural combination of fuel element with thermoelectric element for direct production of electric energy from fission heat (for temperature measurement G21C17/10 )
- G21C 3/42 Selection of substances for use as reactor fuel
Top Applicants
Top 10 applicants by patent filingsfor class G21, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINA GENERAL NUCLEAR POWER CORPORATION 1,383
- WESTINGHOUSE ELECTRIC CORPORATION US 1,347
- KOREA ATOMIC ENERGY RESEARCH INSTITUTE KR 1,303
- CGN POWER COMPANY 1,156
- CHINA NUCLEAR POWER ENGINEERING COMPANY 1,149
- KOREA HYDRO & NUCLEAR POWER COMPANY KR 1,146
- NUCLEAR POWER INSTITUTE OF CHINA 1,086
- CHINESE ACADEMY OF SCIENCES 765
- CEA (COMMISSARIAT A L'ENERGIE ATOMIQUE) FR 763
- CHINA INSTITUTE OF ATOMIC ENERGY 659