| 2598547 | Pumping of fluids under high pressures | |||
| 2568548 | Electric motor pump of the submersible type | |||
| 2566525 | Screw propeller and nozzle ship propulsion assembly | |||
| 2213610 | Boat propulsion apparatus | |||
| 2116146 | Marine electric motor | |||
| 2030375 | Combined device of a ship's propeller enclosed by a nozzle | |||
| 1652504 | System of control | |||
| 1304287 | N/A | |||
| 1269909 | N/A | |||
| 1216242 | N/A | |||
| 0942986 | N/A | |||
| 0366662 | N/A | |||
| RE09836 | N/A |
| GB189308316A | ||||
| DE74327C | ||||
| GB314362A | ||||
| DE688114C | ||||
| FR861754A |