IPC Classification
- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F03H - Producing a reactive propulsive thrust, not otherwise provided for
| F03H 1/00 | Use of plasma to produce a reactive propulsive thrust |
| F03H 3/00 | Use of photons to produce a reactive propulsive thrust |
| F03H 99/00 | Subject matter not provided for in other groups of this subclass |