Hydrogen generation apparatus for an underwater vehicle
Hydrogen hydride keel
Hydrogyro ship stabilizer and method for stabilizing a vessel
Hydrophilic polymer coating for underwater structures
Hydroplane boat
Hydroplanes
Hydroplaning boat accessory
Hydroplaning hulls and vessels employing the same
Hydroplaning hydrofoil/airfoil structures and amphibious and aqu
Hydroplaning unmanned surface vehicle
Hydroplaning wing sailing craft
Hydropulse underwater propulsion system
Hydrostatic pressure sensors
Hydrostatic release with a composite plunger assembly