Multifeature safety motor control for diver propulsion vehicle
Multimission transonic hull and hydrofield
Multiplex-thruster systems for delivering thrusting flow
Multipurpose underwater vehicle for carrying diverse...
Neutrally buoyant submerged system using greater density...
Neutrally buoyant submerged system using lesser density...
Passive controlled buoyancy apparatus
Pelagic free swinging aquatic vehicle
Personal submersible marine vehicle
Personal water propulsion system
Personal watercraft
Phanton computer gating system
Polyhedrally stiffened cylindrical (PC) pressure hull
Position interlock system for submarine masts and closure
Power storage for marine seismic vessel
Powered swimming aid
Pressure compensation method and apparatus for underwater equipm
Pressure equalizer
Pressure tight hull convertible submarine
Pressure-balanced gas turbine underwater launcher