| 3045524 | Booster cup and method of making same | |||
| 3027838 | Shaped charge | |||
| 3013491 | Multiple-jet shaped explosive charge perforating device | |||
| 2842055 | Explosive charge container | |||
| 2837996 | Explosive charge | |||
| 2698575 | Charge for seismic exploration | |||
| 2587243 | Cutting apparatus | |||
| 2513233 | Multiple jet blasting charge | |||
| 2114214 | Self-propelling projectile |
| GB677824A |