Matches 1 - 8 out of 8


Match Document Document Title
US20150064997 Boat Hull Construction  
A boat comprising a propeller tunnel formed in a hull. The tunnel has a forward end and a rearward end. The rearward end defines a shaped upper surface transverse to a longitudinal axis of the...
US20100071607 SHIP WITH A SPECIAL LOWER LEVEL  
The ship body of the present invention comprises at least two levels. One is an upper level that comprises a floatable body. The other is a lower level. The lower level is intended to be submerged...
US20080194156 Marine bifurcated bottom ship  
The present invention relates to improving the structure of the ship by means of fitting plural screws in series on the identical shaft generated by the diesel engine to augment the velocity in...
US20070087638 Stern Unit For Marine Craft  
A stern unit of marine craft that comprises a casing for housing a shaft, a propeller, and at least one rudder actuated by hydraulic pistons is described. The casing is open at the bottom, with...
US20150013586 HIGH SPEED SURFACE CRAFT AND SUBMERSIBLE CRAFT  
A marine vessel comprising: at least one buoyant tubular foil;at least one venturi injection ring positioned adjacent to the perimeter of the at least one buoyant tubular foil so as to create a...
US20150367922 WATERCRAFT COMPRISING A REDUNDANT ENERGY ACCUMULATOR  
A watercraft with a hull has a flow channel, or is associated with a flow channel, a motor-driven water-acceleration arrangement is associated with the flow channel and the motor is connected to...
US20150266554 Tractor Mode Marine Propulsion  
A drive for a marine vessel may include a fully wetted propeller with a fixed drive shaft configuring the propeller in a tractor mode wherein the propeller pulls the water rearwardly relative to a...
US20130040514 THRUSTER UNIT AND METHOD FOR INSTALLATION OF A THRUSTER UNIT  
In a thruster for a vessel including a hull, the thruster comprises at least one tunnel element and at least one thruster unit. The tunnel element includes at least a part of a through tunnel in...
Matches 1 - 8 out of 8