CPC Main Group
G21C 15/00 Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
7 direct subcodes
Child Classifications
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- G21C 15/02 Arrangements or disposition of passages in which heat is transferred to the coolant;
- G21C 15/16 comprising means for separating liquid and steam (separating in general B01D; steam traps F16D)
- G21C 15/18 Emergency cooling arrangements; Removing shut-down heat
- G21C 15/20 Partitions or thermal insulation between fuel channel and moderator
- G21C 15/22 Structural association of coolant tubes with headers (joints of tubes in general F16L)
- G21C 15/24 Promoting flow of the coolant (electrodynamic pumps H02K44/02)
- G21C 15/28 Selection of specific coolants (if serving as the moderator G21C5/12; compositions per se C09K5/00; );
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