| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 114274000 | Having hydrofoil | 42 |
| 20080210149 | Ship Hull Comprising at Least One Float - A ship hull includes at least one float ( | 09-04-2008 |
| 20080250999 | High-Speed Multihull Boat - A high-speed, multi-hull boat that includes at least three hulls ( | 10-16-2008 |
| 20080289562 | HYDROFOIL BLADE GUARD - A foil guard for sporting devices having hydrofoils covers the exposed edges of the foils and thereby prevents damage to persons or property from accidental contact with the foils. The guard may include cords or elastics to secure the guard to the foils, and may float in water to prevent loss of the guard. | 11-27-2008 |
| 20090084301 | Device for reducing the drive power requirement of a ship - A device for reducing the drive power requirement of a ship and even for not very quick ships of all types, in particular for slow, wide ships, such as tankers, bulkers and tugboats, and for improving the propeller blower stream as well as for producing a pretwist includes a front nozzle fixedly installed on the hull with fins or hydrofoils placed in the inner space thereof. | 04-02-2009 |
| 20090120346 | Self-propelled hydrofoil device with flexible steering assembly - A self-propelled hydrofoil device that includes a front foil, a rear foil, a user platform, a steering shaft and a frame that couples these components. The steering shaft preferably has a top section and a lower section, the top section being substantially rigid and the lower section being flexible relative to the top section. The top and lower sections may be formed of different materials or may be formed of the same material, integrally or non-integrally. The top and lower sections are preferably offset by an angle, α, to achieve more ready bending of the lower section. | 05-14-2009 |
| 20090314195 | Boat Stabilizer, Boat Motor and Related Method - A boat stabilizer that is attachable to the anti-cavitation plate or other structure of the lower drive unit of a boat motor without permanently modifying the structure of the anti-cavitation plate or other structure is provided. The shape and size of the boat stabilizer causes the stabilizer to effectively harness and control the thrust energy generated by the propeller resulting in improved thrust and fuel efficiency. Due to various features, the drag associated with the boat stabilizer is kept to a minimum. Finally, decals and other decorative elements are integrally embedded into the top surface of the inventive boat stabilizer using in-mold decoration (“IMD”) technology which makes the elements resistant to ultra-violet light, virtually indestructible and highly appealing. A boat motor, a method of attaching a boat stabilizer to a boat motor and a method of molding a boat stabilizer having at least one decorative element integrally embedded in the top surface thereof are also provided. | 12-24-2009 |
| 20100000461 | Foil shapes for use in barge skegs and marine propeller shrouds - An airfoil shape exhibiting low drag and a high lift/drag ratio has a low thickness/chord ratio and a low camber/chord ratio. The airfoil shape provides desirable results when used in barge skeg assemblies and in propeller shrouds for tugs used to tow ocean going barges. | 01-07-2010 |
| 20100037810 | Multi Hull Water Craft - The present invention relates to a water craft ( | 02-18-2010 |
| 20100258046 | Method and apparatus for suppressing cavitation on the surface of a streamlined body - A method and a device for suppression of cavitation and thus for reducing resistance to movement of a streamlined body in a flow of liquid based on the principle that development of cavitation bubbles in the area of separation of the flow that is accompanied by the development of turbulence is prevented by injecting a gaseous medium into the aforementioned area for separating the flow of liquid from the surface of the streamlined body. The device of the invention can be realized in the form of various specific embodiments with supply of gas under pressure to the cavitation-development area through a plurality of perforations and transverse slits. | 10-14-2010 |
| 20110162572 | for a Marine Vessel | 07-07-2011 |
| 20110247541 | HYDROFOIL-ASSISTED MULTI-HULLED WATERCRAFT - A catamaran ( | 10-13-2011 |
| 20120132124 | SPAR Based Maritime Access Vehicle - The invention relates to a spar based vessel for accessing offshore installations and vessels, including wind farm turbines, in which the centre of gravity of the vessel is positioned below the centre of buoyancy, which is positioned below the operational waterline, the operational waterline occurs at low cross-sectional area vertical struts, and the vertical struts support a topside structure for passengers. Active ballast control system and location of the propulsive elements permits the vessel to travel in spar orientation by positioning the vector of propulsion to lie in the same horizontal plane as the transverse centre of drag of the vessel. A docking system permits safe connection of the vessel to offshore installations, including wind turbines of generic design. | 05-31-2012 |
| 20120192781 | Watercraft device - A watercraft device according to the invention includes a central body and two lateral hulls, each having a shape optimized to reduce resistance to the advance motion and connected to the central body through at least one connecting arm, causing the central body to be in raised position with respect to the lateral hulls. The connecting arms have a given angle from the horizontal plan of the device, and the lateral hulls and the central body are oriented with longitudinal axes, or axes in the bow-stern direction, essentially parallel to each other. The central body connecting the lateral hulls is shaped like wing, which helps in sustaining the weight of the vehicle at high speed and exploits ground effect to increase aerodynamic efficiency. In addition, each of the lateral hulls has one or more mobile and/or fixed hydrofoil elements that extend below the corresponding lateral hull. | 08-02-2012 |
| 20130213292 | Multi-modal Watercraft - A multi-modal watercraft including a hull including a missing portion. A floor completes at least part of the missing portion of the hull and forms the floor of a hold. The floor can be raised and lowered from the water level and also is detachable from the hull. | 08-22-2013 |
| 20140096710 | WATERCRAFT HULL WITH IMPROVED LIFT, PLANING SPEED RANGE, AND NEAR MAXIMUM EFFICIENCY - A hull for a planing type watercraft has a front lift surface, a high lift surface, and a back planing surface. The high lift surface is adjacent a rockered keel area and between the front lift surface and the back planing surface. The center of dynamic lift on the high lift surface is at or in front of a point which is 15% of the hull length behind a total center of gravity of the hull under loading. At least the back one third of the high lift surface is cambered, and a beam of the high lift surface is greater than two thirds of the maximum width of the hull. The average camber of the front lift surface, the high lift surface, and the back planing surface together is less than or equal to zero. | 04-10-2014 |
| 20140150704 | HYDRODYNAMIC DUCT OF FLOW MANAGEMENT AT THE BOW OF A VESSEL - Hydrodynamic duct mounted at the bow of a vessel, comprising a horizontal wall portion ( | 06-05-2014 |
| 20140182507 | Sidewall planing boat - A sidewall planing boat includes: a body; sub-bodies; and a power device; wherein the two sub-bodies are mounted on a front portion of the body and are symmetrically provided at two sides of the body; bottom surfaces of the sub-bodies are lower than a bottom surface of the body; wherein rigid sidewalls are symmetrically mounted on side surfaces of the body, rigid sub-sidewalls are symmetrically mounted on side surfaces of the sub-body; portions of the sidewalls and the sub-sidewalls which extend to a bottom of the sidewall planing boat are inserted into water for forming three lifting areas with front openings with the bottom; wherein the power device is mounted on the body and/or the sub-bodies. With the foregoing structure, water resistance of the sidewall planing boat is decreased and a sailing speed in increased. | 07-03-2014 |
| 20140366794 | Modular Underwater Foil for a Marine Vessel - The present invention relates to an underwater foil ( | 12-18-2014 |
| 20150128841 | HYDROFOIL BOAT STABILIZER - A hydrofoil having an integrated yoke-bridge to preclude expansion of the channel defined by the yoke when the hydrofoil is secured to the cavitation plate. The single piece hydrofoil is secured to the cavitation by lateral screws passing through the hydrofoil and engaging the side of the cavitation plate. Additionally, one or two holes are optionally drilled through the single piece hydrofoil and through the cavitation plate followed by insertion of bolts passing through the hydrofoil and the cavitation plate. | 05-14-2015 |
| 20150144049 | Buoyant, Variably Buoyant and Non-Buoyant Foil Structures for Marine Vessels and Watercraft - A watercraft including a side-hull extending downwardly from each side of a hull of the watercraft. A foil extends downwardly and inwardly from each side-hull. | 05-28-2015 |
| 20160176483 | WATER CRAFT ABLE TO OFFER FAST RESCUE | 06-23-2016 |
| 114278000 | Ported strut or foil | 3 |
| 20130255559 | FOIL STRUCTURE FOR PROVIDING BUOYANCY AND LIFT - A foil structure for providing buoyancy and lift to a floating device is provided. The foil structure comprises an elongated left hand side floating device section and an elongated right hand side floating device section. The left hand side floating device section and the right hand side floating device section are placed at a predetermined distance to a longitudinal axis of the floating device and oriented substantially parallel thereto. A left hand side foil and a right hand side foil protrudes from the left hand side floating device section and the right hand side floating device section, respectively, towards a vertical plane through the longitudinal axis and is oriented at an acute angle to a horizontal plane. A leading edge of each foil intersects the respective floating device section in proximity to a bow portion thereof. Each foil extends along the respective floating device section and terminates in proximity to a stern portion thereof. Each foil has a top surface with a front portion thereof being angled downward towards the leading edge. The angled front portion is determined such that wave penetration is assisted and instabilities due to buoyancy change are substantially dampened. | 10-03-2013 |
| 20150083034 | HYDROFOIL WATERCRAFT - A hydrofoil section comprises first and second faces that create, in operation at speeds above a ventilation speed, a ventilated cavity defined by a first cavity face which departs from the first hydrofoil face and a second cavity face which departs from the second hydrofoil face. Each cavity face represents a free surface and each face separating from the said free surface at a discontinuity on that surface, the separated faces forming a continuation of the faces of arbitrary shape and enclosed by the free surfaces without contacting the said free surfaces. Below the speed at which full ventilation occurs the arbitrarily shaped portion of each face is configured to provide a modified flow configuration resulting in changed lift and or drag and or pitching moment under partial, or unventilated operation. | 03-26-2015 |
| 20150291257 | PLANING HYDROFOILS FOR MARINE CRAFT - A hydrofoil ( | 10-15-2015 |
| 114279000 | With shock damping means | 3 |
| 20090217857 | SURFACE SKIMMING WATERCRAFT - A water craft including a hull having a main longitudinal axis defining a direction of travel of the craft, a plurality of discs mounted at respective opposed sides of the main longitudinal axis to and below the hull and in combination having sufficient buoyancy to support the hull above the water, each disc comprising an essentially circular convex skimming surface adapted to skim upon the water as the craft moves at low speed, wherein the discs are mounted to the hull such that the skimming surface of each disc faces downwardly with respect to the longitudinal central axis of the hull, and adapted for movement between a low speed orientation in which the discs present a portion of the circular convex skimming surface to the water surface and a high speed orientation in which the discs present a portion of the edge of the disc to the water. | 09-03-2009 |
| 20100089303 | Open sea hydrofoil craft - An open sea hydrofoil craft comprising a hull (A) with lateral vertically oriented blades (B | 04-15-2010 |
| 20150307167 | VESSEL CONFIGURED FOR PITCH REDUCTION | 10-29-2015 |
| 114280000 | Having means to tilt or reposition foil or foil adjunct | 15 |
| 20110315063 | HYDROFOIL BOAT STABILIZER - A hydrofoil boat stabilizer having a cross-sectional area with the configuration of a true hydrofoil is provided. The hydrofoil includes a slip-on yoke designed to compressively fit on a cavitation plate of a boat motor lower drive unit. The wings of the hydrofoil include at least one angle of attack, and preferably, a plurality of angles of attack. The hydrofoil is shaped to reduced drag and minimize cavitation. A low-drag surface is included on at least a portion of the outer surface of the hydrofoil. | 12-29-2011 |
| 20120186507 | TOWABLE BUOY - A towable buoy having a tow point for connection to a tow cable of a vessel, wherein the position of the tow point is translationally moveable with respect to the remainder of the buoy. Also, a method of operating the towable buoy. | 07-26-2012 |
| 20120255479 | HYDROFOIL ARRANGEMENT - The invention relates to a hydrofoil arrangement for a hydrofoil craft with at least one fully submerged lifting wing. The hydrofoil arrangement includes at least two struts pivotally arranged on the hydrofoil craft with each strut being connected to a lifting wing. The struts are arranged with their centers of effort of hydrodynamic forces behind the pivot axes of the struts during forward travel of the hydrofoil craft. They are arranged to pivot relative to the hydrofoil craft when the hydrofoil craft experiences a disturbance in roll-angle. This results in a transversal movement of the hydrofoil craft relative to the water surface during forward travel. The hydrofoil arrangement also increases the roll-stability for a hydrofoil craft. | 10-11-2012 |
| 20130167766 | Marine Vessel - A marine vessels comprising at least one foil extending downwards from the keel under the body of the vessel. The marine vessel comprises a foil being fully submerged in the water and the angle of attack of which can easily be changed by a low drive force and which can bear the propellers. | 07-04-2013 |
| 20140109820 | WATERCRAFT WITH AT LEAST ONE SUPPORTING SURFACE - A watercraft including at least one hydrofoil which is height-adjustable between a position disposed in the region of the hull and a position remote from the hull, with a recess being provided in the hull which accommodates the hydrofoil in the region of the hull. | 04-24-2014 |
| 20140331909 | Resilient mount for interchangeable foil - A mounting assembly for a removable foil improves acceleration, maneuverability, and control of craft such as boats or rideable boards (surfboards, sailboards, and the like) and also reduces repetitive stress exerted on the hull by foil bending and torsion. An off-center ball-and-cup joint in the mounting allows the foil to yaw and roll within a limited range in response to changes in lateral fluid pressure. A resilient pad in the mounting then exerts a restoring force to return the foil to a neutral orientation as the lateral pressure equilibrates. An elastically deformable cushion on the base of the foil may contribute to the resilient adaptation while excluding ambient water from the mounting. Optionally, the entire assembly may be mounted in a translation cage that allows adjustment of the foil's longitudinal position. Variations on removable foils, and cushions for the bases of foils, have thickened trailing ends to reduce turbulence. | 11-13-2014 |
| 20150314837 | MODULAR FOIL - The modular foil includes a wing and a fuselage extending in a longitudinal direction and bearing the wing. The fuselage includes a central segment, a first segment bearing a first portion of the wing, and being removable from the central segment, and an assembling device to connect the central segment with the first segment in the longitudinal direction. The central segment and the first segment are connected end to end. The assembling device includes a pair formed by a male connector and a female connector cooperating through a specific interlocking. The male connector includes at least one outer inclined wall, complementary and cooperating with an internal inclined wall born by the female connector for an optimal interlocking between the central segment and the first segment. There is a locking device along the longitudinal axis of the fuselage to ensure locking in at least one direction of the longitudinal axis. | 11-05-2015 |
| 20150367912 | TRIM STABILIZER DEVICE HAVING ADJUSTABLE FOIL FOR SPEED BOATS - A trim stabilizer device to be communicated with a transom of a motor boat includes a foil tiltable around its transversal axis and the foil is structurally independent from the transom. An actuator communicates with the foil for tilting. A slide mechanism communicates with the actuator for making a translatory motion thereof relative to the transom. A disc having at least one guide groove guides the slide member; and a connecting member connects the trim stabilizer device to the transom, the connecting member communicates with the disc. | 12-24-2015 |
| 20160059941 | FIN STABILIZER AND WATERCRAFT - A fin stabilizer for stabilizing a watercraft against rolling movements includes a main fin configured to be pivoted by a watercraft-side fin drive, a tail fin, and an elastically deformable connection between the main fin and the tail fin, the elastically deformable connection being configured to flex whenever a water force acting on the tail fin is greater than a predetermined amount. | 03-03-2016 |
| 20160137263 | ATTITUDE-ADAPTIVE HYDROFOIL APPARATUS FOR HIGH-SPEED UNDERWATER TOWING OPERATION - An attitude-adaptive hydrofoil apparatus, including: strut-braced wing assemblies, a horizontal wing assembly, connection plates, and attack angle adjusting plates. The strut-braced wing assemblies each include a bearing, at least one inclined tube, at least one inclined flow-guiding wing, and at least one stop dog. The horizontal wing assembly includes a horizontal tube, at least one horizontal flow-guiding wing, and at least one depth-locating wing. The attack angle adjusting plates each include an angle adjusting end plate having a hole. The strut-braced wing assemblies are symmetrically disposed at two sides of the horizontal wing assembly. The bearing is fixed on a vessel body by welding. The at least one inclined flow-guiding wing is sleeved on the at least one inclined tube, and is limited by the at least one stop dog. The attack angle adjusting plates are disposed at two ends of the horizontal tube, respectively. | 05-19-2016 |
| 114281000 | Steerable foil | 1 |
| 20120006248 | WATERCRAFT STEERING SYSTEM - A steering system for hydroski-borne watercraft eliminates the need for conventional steering mechanisms such as rudders or thrust vectoring from propulsion units. Complete steering and navigable control is achieved by rolling or otherwise banking individual hydroskis thereby creating a side force on each hydroski. This force is proportional to the sine of the bank angle or roll angel. The sum of the forces and moments from the individual hydroskis are of sufficient magnitude and can be appropriately balanced to effect coordinated watercraft steering and navigable control. | 01-12-2012 |
| 114282000 | Having means to move foil to a retracted nonuse position | 4 |
| 20090013917 | RETRACTABLE HYDROFOIL FOR MARINE VEHICLES - A marine vehicle with at least one hydrofoil at the lower hull of such marine vehicle, and at least one drive element for retracting a pair of hydrofoils mounted side-by-side on both sides of the symmetry axis of the hull of the marine vehicle. When hydrofoils are in the retracted position, the marine vehicle is converted to a conventional marine vehicle. | 01-15-2009 |
| 20110168076 | WATER WINGS DEVICE FOR A WATERCRAFT - The present invention is a water wings device used in combination with a watercraft that includes a plurality of water wings attached to the sides of the watercraft with attachment arms and directing fins that are placed into the water that the watercraft is traveling in. There is also an embodiment of the water wings device that includes a boat tail with a tapering protrusion that is placed into the water the watercraft is traveling in. Another embodiment is the water tail device that includes a plurality of water tails that attach to the rear of portion of a watercraft used in conjunction with water wings on the side of the watercraft that are all placed into the water the watercraft is traveling in. | 07-14-2011 |
| 20130081565 | TRIMARAN HAVING A PIVOTABLE OUTRIGGER - To a watercraft which includes a main hull and at least one outrigger which is fastened in a height-adjustable manner to the main hull. | 04-04-2013 |
| 20140261134 | STABILIZING FIN AND CONSTRUCTION COMPRISING SAID FIN - An active stabilization device for stabilizing, for example, a vessel at sea, both in a first operating state in which the vessel moves and in a second operating state in which the vessel is in a rest position, includes at least one fin body ( | 09-18-2014 |
