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| Number | Title | Issue Date |
| 7913636 | High speed watercraft suitable for rough water conditions A watercraft suitable for operation in rough water conditions is disclosed. The watercraft comprises a central platform (13) and two pairs of hull units (60), a forward pair and an aft pair. The hull units are located on opposite sides of tie platform ... | 03/29/2011 |
| 7578253 | Water skimmer A small outboard motor powered boat comprises a hull undersurface that defines a generally flat central section, with two generally parallel-sided pontoons extending rearwardly from an upturned bow to a point about half the length of the hull aft. A stern rake secti... | 08/25/2009 |
| 7341013 | Small planing watercraft A small planing watercraft can have a hull, an engine, and a steering assembly. The steering assembly can be configured to be translatable in the fore and aft direction, as well as pivotable about a generally horizontal axis so as to provide more flexibility in acco... | 03/11/2008 |
| 7338336 | Watercraft hull with adjustable keel A watercraft hull having a pair of laterally spaced propulsion tunnels located on opposite sides of its keel, with said tunnels being open downwardly towards the water, includes a movably mounted keel section located between said propulsion tunnels to prevent water ... | 03/04/2008 |
| 7316193 | Vessel for water travel A vessel for water travel that has the stability of a heavy weighted vessel when at rest in the water and the performance of a lightweight vessel when in a planed condition. The vessel comprises at least one hull structure for partially submerged flotation in a body... | 01/08/2008 |
| 7314014 | Water craft A water craft (77) is disclosed which includes a chassis portion (78), at least four water engaging means (30, 34, 38, 42) and interconnecting means (94, 96, 98, 100, 102, 104, 106, 108, 110, 112, 114, 116, 118, 120, 122, 124, 126, 128, 130, ... | 01/01/2008 |
| 7311059 | Watercraft hull with entrapment tunnel A watercraft hull has at least one bent entrapment tunnel with an aft portion whose tunnel ceiling is at a higher elevation than portions of the tunnel ceiling immediately in front of it to provide a negative angle of attack with the free surface at design planing s... | 12/25/2007 |
| 7278364 | Reconfigurable attack and reconnaissance vessel I A reconfigurable marine vessel is disclosed. The marine vessel includes an upper hull, two propulsion hulls, and two struts for coupling the propulsion hulls to the upper hull. The struts are segmented and are capable of reconfiguring the marine vessel. In one confi... | 10/09/2007 |
| 7263940 | Pontoon frame and adjustable motor mount A float structure having a mainframe and pontoons is described. The mainframe includes floor support beams transversely attached to pontoon connector beams. The pontoon connector beams are operatively connected to the pontoons such that there are no weak points in t... | 09/04/2007 |
| 7234405 | Sea rescue craft An apparatus, method and system for rescuing persons and distressed vessels, up to about 50 tons displacement, in foul weather and for transporting loaded full sized truck/ship containers or other loads by water. Two pairs of long straight pontoons, each having five... | 06/26/2007 |
| 7204196 | Powered boat hull A hydrofoil craft, particularly a method of economically modifying a conventional hull with cambered foils to obtain and calculate increased lift from dense spray and to achieve enhanced craft performance is disclosed. The present invention improves speed, fuel effi... | 04/17/2007 |
| 7188575 | Watercraft with wave deflecting hull The invention is directed to a watercraft hull design that comprises a hull having a bow, stem, top, and bottom. A wedge-shaped wave spreading system is located at a forward portion of the craft. The wave-contacting surface planes of the wave spreading system are po... | 03/13/2007 |
| 7188580 | Variable-geometry graduated surface-foil for wing-in-ground effect vehicles The invention is a marine wing-in-ground effect vehicle capable of sustained high speed operation in varying seas. The vehicle comprises an aerodynamic flat bottom lifting wing with a fuselage, a longitudinal keel member under the wing, a propulsion unit installed i... | 03/13/2007 |
| 7171915 | Water-stable inflatable pontoon boat transportable by trailer A boat having inflatable pontoons connected therewith by rotatable support assemblies is described. The structure is capable of collapsing to a small size for transport on a trailer, but provides a wide base for stable operation when deployed on water. A foldable de... | 02/06/2007 |
| 7168386 | Small boat A small boat has left and right sponsons extending in a longitudinal direction and respectively attached to left and right side walls forming a boat body. The sponsons are provided with an attachment section contacting a left side wall, a gliding section extending s... | 01/30/2007 |
| 7150662 | Watercraft docking system and propulsion assembly An improved docking system for a watercraft and a propulsion assembly therefor wherein the docking system comprises a plurality of the propulsion assemblies and wherein each propulsion assembly includes a motor and propeller assembly provided on the distal end of a ... | 12/19/2006 |
| 7121910 | Upright human floatation apparatus and propulsion mechanism therefor An apparatus for the purpose of floatation and transportation on water comprises a pair of buoyant wing-shaped floats and foot wells in the floats designed to be under the center of buoyancy of each float. Accessories may be attached to one or more floats. Additiona... | 10/17/2006 |
| 7082887 | Stabilizing apparatus for watercraft Stabilizing apparatus have particular application in stabilizing smaller water borne objects such as small dinghies, sail craft, pontoons and aquatic sporting equipment at rest on a body of water, or any aquatic vessel including launches. The stabilizing apparatus i... | 08/01/2006 |
| 7040244 | Watercraft having plural narrow hulls and having submerged passive flotation devices A watercraft has at least two narrow hulls with a shallow draft and has one or more passive flotation devices that are entirely submerged. The hulls enclose the power trains for the watercraft and are accessible from the compartments of the watercraft. The passive f... | 05/09/2006 |
| 7040938 | Armored foldaway inflatable floating device Disclosed is an AFIFD mounted on the front surface and both side surfaces of an amphibious vehicle to provide additional buoyancy. The AFIFD allows safe swimming of the amphibious vehicle, provides rapidity through automated folding and unfolding processes. The AFIF... | 05/09/2006 |
| 7037149 | Pedal powered catamaran A pedal powered catamaran has a pair of pontoons connected by a cross platform whereat an operator sits and rotates a pair of pedals which power the catamaran via a drive mechanism, the drive mechanism allowing the operator to gain mechanical advantage. One or both ... | 05/02/2006 |
| 6923131 | Windsurfing catamaran with dynamic shock dampened rig centering keel and hull support A windsurfing catamaran with a self-stabilizing wing. The wing is moved to the correct position by counter balancing water pressure from a rotating central keel connected to a central mast. The keel rotates in the opposite direction of the wing when the wing is move... | 08/02/2005 |
| 6912967 | Hybrid watercraft A watercraft steered under power by water-jet propulsion utilizes a water intake ramp in its hull to create a nozzle-like effect to accelerate water loading to the jet pump through a ventral water inlet when under power. The hull has a pair of longitudinal stabilize... | 07/05/2005 |
| 6874439 | Flexible ocean-going vessels with surface conforming hulls The vessel has a pair of flexible hulls flexibly coupled to a “cabin” between and above the hulls, thereby allowing the hulls to independently follow the surface of the water. Motor pods are hinged to the back of the hulls to maintain the propulsion system in th... | 04/05/2005 |
| 6830003 | Multihull boat The invention relates to an apparatus for attachment to a multihull boat, the apparatus including a beam means substantially transversely associated with at least a first hull and a second hull, the first hull and the second hull being laterally opposed and each hul... | 12/14/2004 |
| 6601529 | Stabilized tumblehome hull form A marine vessel which uniquely combines tumblehome-like and trimaran-like attributes in an integrative form describing two underside channels comprises a medial major hull and a pair of lateral minor hulls. The port and starboard minor hulls, each general... | 08/05/2003 |
| 6546890 | Boat hull The hull has two lateral hull portions (5a, 5b) spaced part with respect to each other which each extends from a respective lateral wall of a front hull portion (1) beyond the rear end (1a) of the front hull portion (1). Lateral hull portions (5a, 5) are ... | 04/15/2003 |
| 6532884 | High speed electric watercraft High speed electric watercraft of various configurations are provided that utilize at least one submerged enclosed hull containing an electric motor and at least one other parallel float positioned higher that the enclosed hull to provide buoyancy for a p... | 03/18/2003 |
| 6435123 | High speed hybrid marine vessel A high speed hybrid marine vessel with integrated hydrodynamic lift-generating, roll stabilizing and pitch controlling wings, or hydrofoils, operable in two distinctly different modes, namely a hydrostatic stable low speed mode, featuring a positive GM-va... | 08/20/2002 |
| 6347599 | Stabilization/power system for windsurfing and other flotation boards This invention relates to stabilization and propulsion of windsurfing and other floating boards such as surf boards. The invention consists of a modular device consisting of a seat and pontoon float unit fitted with remote controls by which a modified tro... | 02/19/2002 |
| 6305306 | Watercraft stabilizer system This invention comprises methods, devices and systems for stabilizing watercraft. More particularly it comprises a means for stabilizing a canoe or the like watercraft (100) with a pair of flotation devices (250) shaped like a SKI (242) at the bottom or m... | 10/23/2001 |
| 6230835 | Ground effect vehicle The invention concerns a ground effect vehicle comprising hydrofoils or hydrofoil outer parts (18) which can pivot about a parallel line relative to the longitudinal axis of the body in order to increase the speed range when flying close the ground. In ad... | 05/15/2001 |
| 6209470 | Stable semi-submersible surface effect ship An improved multi-operational mode marine vessel is proposed that has blower pressurized air cushions that are utilized during high speed operations disposed in one or more secondary supporting hulls wherein said secondary supporting hulls are connected t... | 04/03/2001 |
| 6176190 | Suspension system for a speed boat A watercraft allowing relative motion of its deck relative to its hull structure to increase passenger comfort. The deck is mounted to the hull structure in a manner which permits relative motion of the deck structure to the hull in at least two independe... | 01/23/2001 |
| 6095076 | Hydrofoil boat A hydrofoil marine vehicle having separate forward and rearward hydrofoil wings connected by a center beam. The generally V-shaped hydrofoil wings are affixed to the center beam at either end by means of flexibly mounted struts. The center beam supports a... | 08/01/2000 |
| 6044784 | Marine vessels A marine vessel comprises at least one hull stabilized by at least one pair of outboard sponsons and propelled by propulsion means carried by the sponsons or hull. One aspect of the invention is shown in FIG. 7, where a marine vessel (20) is provided with... | 04/04/2000 |
| 6041727 | Sponson for watercraft A personal watercraft sponson arrangement has sponsons that are configured so as to improve buoyancy and stability upon leaning. The sponsons are designed to be detachably affixed to the hull of the watercraft through the use of a coupling system.... | 03/28/2000 |
| 6016762 | Planing foil for twin hulled boats A preferred planing foil apparatus (10) for use with a pontoon boat (12) includes mounting structure (32) for connecting a planing foil (30) to the boat (12) with the foil (30) positioned between and spaced from the pontoons (12, 14) generally amidships a... | 01/25/2000 |
| 5988097 | Watercraft stabilized by controlled hydrofoil elevation A watercraft has starboard and port hydrofoils or hydroskis that are supported by individually powered fore and aft supports for adjustable retraction and extension below the hull under control of a computer using signals from water speed, turn angle, rol... | 11/23/1999 |
| 5988090 | Stabilization pontoon system for small watercraft A stabilizing pontoon system adapted for use in small watercraft which includes a pair of vertically adjustable outriggers connected by a linkage system to an actuator and to each of which is mounted a pontoon which is lowered into the water to stabilize ... | 11/23/1999 |
