Underwater pipes joining system and implementation process
Underwater power generator
Underwater power plant and method for the installation thereof
Underwater powerplant having disconnectable nacelle
Underwater reaction engine
Underwater safety lighting device for swimming pools
Underwater sand pump
Underwater sealing of exposed ports in relatively closeable...
Underwater seismic exploration system and method
Underwater structures
Underwater swimming pool illumination systems
Undetachable pressed connection between a fitting and a...
Unducted propeller including variable pitch blades for a...
Unducted, counterrotating gearless front fan engine
Undulated heat exchanger fin
Undulated wall for machine housing
Unequal compressor refrigeration control system
Unexpected n logic
Unfastening prevention device
Uni-directional clutch device