Matches 1 - 50 out of 160 1 2 3 4 >
Match Document Document Title
7568443 Boat rudder with integrated dynamic trim foils  
A rudder and dynamic trim adjusting apparatus for a boat includes a rudder, a rudder shaft extending from the rudder and being rotatable about a longitudinal axis thereof to rotate the rudder, trim...
7549385 Stepped boat hull with flat pad portions  
The boat hull includes a bow, a stern and a bottom surface which extends from the bow to the stern. The hull includes a bottom surface with a deep-V shaped portion extending from the bow to a hull...
7497179 Quadrapod air assisted catamaran boat or vessel  
A twin-hull catamaran boat or vessel comprising of four hydrodynamic pod sections connected with a mid-span recess on each hull that receives mechanically inducted gas or air for hull support. Each...
7487736 Hybrid boat hull  
A hybrid boat hull. In a first embodiment, the hybrid boat hull comprises a first and second outer elongated hulls each curved inwards to respectively define first and second keel fins which...
7398740 Multi-mission/purpose ground-effect craft derived from a common modular platform  
A multi-mission/purpose ground-effect craft is provided which is derived from a common modular platform which includes a hull; an inner floor structure adapted to be installed over the hull; a body...
7380515 Anti-cavitation system  
An anti-cavitation plate actuating system incorporates pressurized air selectively applied through a control valve to an air assist cylinder. The cylinder, when pressurized, applies force to...
7347154 Amphibious craft  
The present invention relates to an improved amphibious craft or vehicle and, in particular, but not exclusively, to a craft or vehicle that may be used for commercial and rescue tasks in a great...
7337743 High lift authority marine control system  
A control surface system for a marine vehicle is provided. The control surface system includes a control member having at least two control portions fixedly connected at a predetermined spacing...
7296529 Fluidynamic lift combined array, technology  
A Fluidynamic Lift Combined Array, Technology for flying, and/or land, and/or other motor vehicles comprises: a. an aerodynamic structure of chord-telescopic smooth-united multisegment...
7201111 Boat hulls with planing sections  
Boat hulls or assemblies have sequences of groups of downward-facing sections such as planing sections. A sequence includes a lowermost group and supplemental groups above it. Each group could, for...
7055451 Vessel hull  
A vessel hull having a pair of vents formed in the chine on each side for allowing air to be introduced to the bottom and a pair of downwardly extending fins formed longitudinally along the chine...
6964240 Hull for high speed water craft  
The application relates to water craft hulls having improved hydrodynamic stability. A hull ( 1 ) is claimed in which the center of gravity (C g ) is substantially vertically aligned with the...
6872107 Boat hull tunnel extension  
A boat hull having a tunnel structure along the bottom of the hull in the form of a truncated hollow partial cone indentation and extension parallel to the keel of the boat. The tunnel has a cone...
6805067 Contour stern flap  
A stern flap has a “contour” shape which facilitates installation thereof upon the curved stern of a ship. The stem flap's lower surface includes an intermediate region and two curvedly tapered...
6668743 Semi-displacement hull  
A hull form which operates in the speed ranges where both planing and wave making affect hull resistance is presented with a configuration which reduces wave drag and improves performance in very...
6666162 Aluminum hull boat with extruded running surface  
An aluminum hull boat includes a running pad formed through an extrusion process. The running pad includes a lower planing element at least a portion of which is in contact with the water when the...
6666160 High aspect dynamic lift boat hull  
An unventilated, stepped hydroplaning boat hull has at least one midship step. Two separated wetted planing surfaces are thereby established—a forward surface just forward of the step and an aft...
6629507 Chine system for a boat hull  
A boat hull comprising a bottom panel that makes up the bottom of the boat hull. A first chine member has a base edge and an extended edge. The first chine member is coupled to the bottom panel at...
6606959 High speed drag reducing ventilation for marine vessel hulls  
Spaced cambered wedges having flow diverting surfaces thereon are deployed from retracted positions within the smooth surfaced sides of a marine vessel hull undergoing water travel above a high...
6412434 Small watercraft hull construction  
A hull for a planing type watercraft has a rear portion that includes one or more steppers and a step plate fixed to the hull rearward of the first stepper so as to create a gap between a leading...
6363877 Power boat  
The power boat includes a bow and a stern, a hull with a longitudinal dimension extending from the bow to the stern, and a platform extending across the stern for enabling boarding of the boat, the...
6354236 Aerodynamic and hydrodynamic aluminum boat hull with triangular flat pad  
A performance aluminum vee boat hull with a concave bow section, elongated, parallel strakes, a central keel and a triangular shaped, substantially flat pad adjacent the transom and between the...
6332422 Hull modification to minimize porpoising of a boat  
A hull is described having bow, stern, port and starboard sides. At least one chine extends longitudinally from a first point near the bow to a second point near the stern of the hull. At least one...
6318286 Hull shape of personal watercraft  
Provided is a hull shape of a personal watercraft which can enhance speed performance, and still more, can also reduce rolling of a body. A bulging face 12 is formed on an outside part of a rear...
6276293 Skidplate having non-symmetrical hydrofoil profiles producing skid-opposing side force only during turn maneuver  
A skidplate projecting into a body of water from a marine craft hull has a symmetric wedge formation extending from the leading edge to differently profiled surfaces on opposite sides of the...
6250240 Water craft having ventilated propeller  
6247422 Planing watercraft hull and propulsion system  
An improved planing watercraft hull having reduced surface area in contact with the water resulting in a minimization of drag said hull capable of being adapted for use with a small, easily...
6234104 Hull for a shallow water fishing boat  
An improved shallow water fishing boat hull includes a generally S-shaped chine segment having a sloped intermediate portion that is intersected by the mean waterline. One or more generally Shaped...
6223674 Gentile performance wedge (GPW) shock mitigation planning boat hull  
A planing boat's primary hull has an adjunct hull surface rotatably connected thereto near its forward end. The adjunct hull surface extends along the hull of the planing boat to aft of amidships...
6186086 Planing boat hull and methods of making same  
A hull for a boat comprises a centrally located V-shaped keel a first strake disposed at an outboard edge of a first deadrise adjacent the keel portion, a second strake disposed at an outboard edge...
6176196 Boat bottom hull design  
A hull design with a maximally narrowed lower hull comprised of a stepped inboard chine and a concave centerline section resulting in the center of buoyancy and center of gravity preferably being...
6173670 Combined aerodynamic and hydrodynamic aluminum boat hull  
A performance vee hull that can be made with conventional aluminum manufacturing techniques on a relatively economical basis. The hull uses the lift of a concave bow, the off-setting "hold down" of...
6158375 Boat wake enhancer  
A boat wake enhancer is described comprising a water tank mounted at the rear of an inboard motor boat, wherein the tank can be filled and emptied while the boat is in use. When filled, a more...
6131529 Water going vessel hull and method for hull design  
The present invention provides a design for a water going vessel hull and a method for determining useful hull design, and particularly multihull design, with emphasis on applicability to smaller...
6119620 Kayak with release louvers  
A kayak comprising a hull and a deck with one or more louvers provided in said hull at least in a stern section thereof to force water to separate from said hull whereby forming voids which are...
6116180 Boat  
A boat comprises a central hull member (10), such member having no flat surfaces below the waterline such as could support the boat in a planing mode, the ratio of the length of such member to its...
6095875 Hydro-planing foil  
A detachable hydro-planing foil for a marine outboard propeller drive comprises a plate having leading edges that are substantially backswept symmetrically from a plate centerline and trailing...
6085685 Spray deflector for a personal watercraft, jet ski or boat  
A spray deflector for a personal watercraft, jet ski or boat including at least one pair of guards adapted for securement to opposing sides of a bow of a boat. Each of the guards have a pair of...
6062159 Aquatic vehicle  
The aquatic vehicle includes centers of mass (COM), of propulsion (COP) and of resistance (COR); a propulsion force (P) provided by propulsion sources (43, 44 or 143, 144); a neutralization of the...
6038995 Combined wedge-flap for improved ship powering  
The inventive combination of a stern wedge and a stern flap demonstrates hydrodynamic properties which, for purposes of enhancing the powering performance of a ship, are superior to those of either...
6014940 Surface effect craft  
A surface effect craft of simple construction achieving improved operational stability and performance at various speeds. The craft includes first and second main wing sections merge into the...
6003465 Lower part of the hull of a planing amphibian  
An improved design for the lower part of the hull of a planing amphibian. The design contains an immovable member, a dampening movable member in the form of a set of overlapping plates attached to...
6000357 Boat planing tabs  
Transitional time through the transplaning speed realm of a high speed sport/utility boat is reduced by narrow, concave planing tabs secured along the inside bottom surface of after-sponsons in...
5983823 High speed sport/utility boat  
An improved V-bottom hull for sport/utility boats is formed with intermediate lifting strakes along the aft half of the hull bottom. Such intermediate strakes are positioned laterally along the...
5921198 Small watercraft hull  
An improved watercraft hull design includes an integral locator mechanism to establish the location and the orientation of a bulkhead within the watercraft hull. The locator mechanism includes a...
5860383 Displacement, submerged displacement, air cushion hydrofoil ferry boat  
The ferry boat has a rectangular main deck with superstructure above and hull structure below. The superstructure is essentially rectangular in all views and has one or more decks with a plurality...
5819677 Hull with laminar flow interrupters  
A boat with a unique hull that stabilizes watercraft during turning conditions in water, thereby substantially reducing or eliminating the side-to-side oscillation that is typical of prior art...
5787835 Wake enhancing structure  
A light-weight, portable container is provided for the stern of a boat in order to add weight to the stern and enhance the wake of the boat. The container is formed from an outer bag resistant to...
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 positioned...
5685253 Reduced drag stable Vee bottom planing boat  
In a Vee bottom planing boat running chines dry at top speed, running trim angle is increased by reducing wetted planing surface area by removing wetted planing surface at areas of least dynamic...
Matches 1 - 50 out of 160 1 2 3 4 >