| 1/00 | Thermonuclear fusion reactors |
| 1/01 | Thermonuclear fusion reactors Hybrid fission-fusion nuclear reactors |
| 1/03 | Thermonuclear fusion reactors with inertial plasma confinement |
| 1/05 | Thermonuclear fusion reactors with magnetic or electric plasma confinement |
| 1/11 | Thermonuclear fusion reactors Details |
| 1/13 | Thermonuclear fusion reactors Details First wall; Blanket; Divertor |
| 1/15 | Thermonuclear fusion reactors Details Particle injectors for producing thermonuclear fusion reactions, e.g. pellet injectors |
| 1/17 | Thermonuclear fusion reactors Details Vacuum chambers; Vacuum systems |
| 1/19 | Thermonuclear fusion reactors Details Targets for producing thermonuclear fusion reactions |
| 1/21 | Thermonuclear fusion reactors Details Electric power supply systems, e.g. for magnet systems |
| 1/23 | Thermonuclear fusion reactors Details Optical systems, e.g. for irradiating targets, for heating plasma or for plasma diagnostics |
| 1/25 | Thermonuclear fusion reactors Maintenance, e.g. repair or remote inspection |
| 3/00 | Low-temperature nuclear fusion reactors, e.g. alleged cold fusion reactors |