Air powered water propulsion method and apparatus
Aqua sled
Buoy releasable from a submarine
Buoyancy control system for submersible vessels
Buoyant cable antenna reeling system
Device for automatic raising of fish traps, crayfish pots, nets
Heel counteracting airfoil
Hover control valve for submarine hovering system
Last ditch defence process
Method and apparatus for buoyancy control of submergible chamber
Remote unmanned work system (RUWS) mating latch
Rescue equipment for submarine vehicles
Scuttling valve
Self-propelled machine for sea-bed work
Special submarine devices using a novel integrated lift, propuls
Submarine boat
Submersible barge control system
Swivel air lock for airtight connection between submergibles
Underwater vehicle
Vehicles of the submersible type