Head gear usable as swimming aid and for protection against...
Heat exchanger with beveled header
Heat reflective inflatable buoyant body
Heat sealable inflator
Heated kayak canoe paddle shaft
Heave compensation system
Heave plate with improved characteristics
Heaving line storage and deployment apparatus
Helical seamed structural vessel, method and apparatus of...
Heliconic thruster system for a marine vessel
Helicopter rescue device
Helix binary
Helmet for divers
Hermetically sealed motor with high strength titanium alloy...
High efficiency turbine and method of generating power
High force release and reset mechanism for supporting a...
High load balanced rudder
High performance boat prop guard and bracket
High performance motorized water ski
High performance stern drive