Matches 1 - 39 out of 39


Match Document Document Title
6345584 Hull for shipping with a mono-three-catamaran architecture  
A hull for shipping with a mono-three-catamaran architecture comprises a bow point (11) connected to hull sides (14, 15) that ends at a stern (12); a pair of chines (17, 18) disposed laterally to...
6210242 Pedal-powered watercraft  
A pedal-powered watercraft comprises a unitary hull having an upper wall extending from a bow portion to a stern portion of the watercraft and a pair of spaced hollow sponsons located on either...
5718184 Hydro-lift boat hull  
A new Hydro-Lift Boat Hull for offering greater stability and higher speeds. The inventive device includes a keel portion having a keel channel provided therein, a pair of opposed chines...
5582123 Multiple concavity surfing ship and transition system  
The Multiple Concavity Surfing Ship and Transition System is an improvement for a surfing ship that generates a singular water wave and rides on its crest efficiently at high speeds. The improved...
5497722 Keelless concave hull  
A boat hull constructed with an inverted U-shaped hull bottom, hull sides which are vertical below the at-rest water line and outwardly curved in a deep arc above the at-rest water line, and a...
5427048 Multi-concave hydrodynamically designed hull  
The present invention relates to a hydrodynamically designed concave hull having longitudinally positioned chined rails at the outermost edges of the concave scoops. Each pair of concave scoops...
5402743 Deep chine hull design  
There is disclosed an inverted bottom structure having generally convex, longitudinal buttock and waterlines lines which creates a venturi structure and a variable pressure/suction situation along...
5398628 Surfing ship transition system  
A surfing ship that generates a singular water wave and rides on its crest efficiently at high speeds. Two complementary features to assist in the transition from displacement mode to high speed...
4936237 Dual boat hull  
A boat with dual hulls is constructed of outwardly concave cylindrical hull plates that are substantially free of compound curvature. The respective hull portions may be closed at their ends by...
4922844 Sailing-boat hull  
A sailing-boat hull includes a bottom (C) provided with a projecting keel (12) of U-shaped cross-section which is connected laterally to the sides (F) by two longitudinal channels (14) of rounded...
4574724 Boat-hull construction  
A tunnel-type boat-hull construction is operative with substantially reduced frictional resistance in the water and also with improved high-speed stability. An air-withdrawal port is provided in...
4509927 Bottom exhaust high speed boat  
A bottom exhaust type high speed boat has a hull including a grooved bottom. The engine exhaust pipe extends into a midportion of the grooved bottom. A duct fixed to the surface of the hull...
4193369 High speed boat hull  
A boat hull has a bottom formed with a modified V-shaped longitudinal surface forming the keel and has a tunnel surface disposed on each side of the keel. Both tunnel surfaces have substantially...
4192248 Scooped boat hull having tri-keel surfaces  
A boat hull having a bow and stern and requiring relatively small draft, having low frictional drag characteristics for high speed, stable performance, wherein the hull has a scooped configuration...
4003327 Monolithic ship's body of steel concrete or prestressed concrete  
A monolithic ship's body is formed of a hull containing bulkhead partitions disposed in a hexagonal arrangement to form a grid symmetrical about the longitudinal axis of the hull. The partitions...
3902445 Air-cushioned planing hull  
An air-cushioned planing hull for a boat having an air-vented transverse step extending across the width of the underside of the hull, with the port and starboard keels extending backward on each...
3884171 Boat hull with a bottom of a portion of the surface of a hyperboloid  
A boat hull of the sea sled type is disclosed in that it has spaced chines which may be parallel or may be tapered somewhat inwardly towards the transom for the full length or a portion of the...
3863586 HYDRO-SKI BOAT STRUCTURE  
3812814 WATER VEHICLE  
A power boat with a generally mid-ship mounted motor and propeller is provided. A rudder is disposed at the rear of the boat and generally on the longitudinal center line thereof. Straightening...
3745963 BOAT STRUCTURE  
The invention is a new boat structure and a method of boat propulsion. The hull has a propeller receiving cavity in the aft portion which is open to the bottom and the stern of the boat. It is of...
3589324 ROLL STABILIZER FOR BOATS  
A stabilizer device for minimizing roll of a floating vessel comprises a submergible rectangular frame having a harness for suspending it in the water outboard of the vessel and for maintaining it...
D219557 Title is not available  
3450090 HULL FORM FOR BOATS  
3426717 SHALLOW DRAUGHT VESSEL  
3342032 Jet propulsion means for a boat  
3288100 Boat and jet propulsion means therefor  
3274966 Water surfing craft  
3259093 Sailboat hull  
3216389 Boat hull  
3108561 Boat hull for planing craft  
3088428 Sail-boat  
3077851 Catamaran type boat  
3077172 Boat hull  
3052202 Pontoon boat  
3016862 Bow and stern construction of barges or like vessels adapted to be towed  
3010419 Ship's hull  
2977607 Sectional boat construction  
2945466 Motor boat structure  
2875720 Power boat adapted to be planed on water  

Matches 1 - 39 out of 39