IPC Subgroup
G21B 1/11 Details
Introduced: January 2006
Full Title
Thermonuclear fusion reactors > Details
Classification Context
- Section:
- PHYSICS
- Class:
- NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- Subclass:
- FUSION REACTORS
6 direct subcodes
Child Classifications
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- G21B 1/13 First wall; Blanket; Divertor
- G21B 1/15 Particle injectors for producing thermonuclear fusion reactions, e.g. pellet injectors
- G21B 1/17 Vacuum chambers; Vacuum systems
- G21B 1/19 Targets for producing thermonuclear fusion reactions
- G21B 1/21 Electric power supply systems, e.g. for magnet systems
- G21B 1/23 Optical systems, e.g. for irradiating targets, for heating plasma or for plasma diagnostics
Top Applicants
Top 10 applicants by patent filingsfor class G21, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINA GENERAL NUCLEAR POWER CORPORATION 2,364
- CGN POWER COMPANY 1,899
- CHINA NUCLEAR POWER ENGINEERING COMPANY 1,870
- NUCLEAR POWER INSTITUTE OF CHINA 1,517
- KOREA ATOMIC ENERGY RESEARCH INSTITUTE KR 1,367
- WESTINGHOUSE ELECTRIC CORPORATION US 1,295
- KOREA HYDRO & NUCLEAR POWER COMPANY KR 1,196
- CHINESE ACADEMY OF SCIENCES 1,044
- CHINA INSTITUTE OF ATOMIC ENERGY 1,011
- HITACHI-GE NUCLEAR ENERGY 955