Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7367153 | Collapsible planar board The planar board disclosed features a convexo-concave board characteristic that allows the boards to channel the water creating a water rail for smoother more controlled performance. The planar board also features one removable cross member end that allows for colla... | 05/06/2008 |
| 7238073 | Inflatable towable float A towable structure is configured to be towed behind a boat while floating above the surface of a body of water. In one implementation, the towable structure has a platform for supporting one or more passengers thereon extending between or otherwise supported by at ... | 07/03/2007 |
| 7232356 | Inflatable towable float A towable structure is configured to be towed behind a boat while floating above the surface of a body of water. In one implementation, the towable structure has a platform for supporting one or more passengers thereon extending between or otherwise supported by at ... | 06/19/2007 |
| 7099600 | Image forming device that performs density detection During a first rotation of a photoconductor, latent electrostatic images for color correction processing patterns are formed on the photoconductor, and the latent electrostatic images are developed into the color correction processing patterns in each of four colors... | 08/29/2006 |
| 6931678 | Water-swung hammock A water-swung hammock includes a floatable body for supporting a main body frame including at least one leg support for securing the main body frame to the floatable body. A staging platform may be coupled to the main body frame and capable of supporting a user. A s... | 08/23/2005 |
| 6918346 | Marine craft towed by a kite-type canopy A marine craft includes a floating body, elements adapted to generate a center-board effect, in particular a center-board projecting beneath the floating body, and a rigging. The rigging includes at least a directional kite forming a canopy and a series of sheets co... | 07/19/2005 |
| 6851378 | Articulated multi-hull water craft A multi-hull vessel capable of planing. The vessel has a rigid superstructure that is rotatably linked to flat-bottomed hulls. As the vessel heels, the pivotable connection between the superstructure and the hulls allows the superstructure to heel over while the hul... | 02/08/2005 |
| 6386130 | Control systems for sailing vessels An improved control system for a sailing vessel for controlling the position of the sail and the rudder, and affixed to a slidable seat apparatus. A movement of the seat apparatus does not alter the position of the sail or the rudder. A ballast control, s... | 05/14/2002 |
| 6240865 | Multi-purpose sailing kit assembly A multi-purpose sailing kit assembly including at least one, and preferably two separate hulls. Each of the hulls further includes first and second elongated, buoyant and self-contained halves which are pivotally secured together along a longitudinal dire... | 06/05/2001 |
| 6089173 | Multi-hull watercraft with self-righting capabilities A multi-hull watercraft, such as a catamaran or trimaran is constructed to facilitate the righting thereof following a capsize. By providing a pivot connection between the hulls and the cross-members, in accordance with one method, it is possible to right... | 07/18/2000 |
| 6016759 | Wind-powered air/water interface craft having various wing angles and configurations A wind powered air/water interface craft disposed in a mechanically simple configuration(s) with a control for trimming and/or adjusting the area of the various air and water foil elements either independently or together or both. All of its structural el... | 01/25/2000 |
| 5947045 | Balancing system for sailing boats This invention refers to single hull/multi-hull sailing boats. Two suitably shaped floats are laterally applied to the hull of single hull boats; they slide from top to bottom along suitable guides. The lateral hulls of multi-hull boats also slide from top to ... | 09/07/1999 |
| 5904111 | Trimarans with removable beams configurations and steering wheel assemblies An improved trimaran is provided. The trimaran includes a main section, multiple floats, a sail assembly and a set of beams that are used to removably position the floats a certain distance from the main section. The center section includes a centerboard ... | 05/18/1999 |
| 5901659 | Pivotally movable hiking bench A device designed to enable a sailor to move easily fore and aft and side-to-side about a watercraft. The device includes separate port and starboard bench units that are pivotally coupled to the watercraft and are movingly coupled to outboard rail system... | 05/11/1999 |
| 5896825 | Dual hull watercraft In a dual-hull watercraft, a separate keel hull and sail hull are connected by a tie line. The sail hull comprises a sail and hull without a keel. The keel hull comprises a keel and hull or a submerged keel. The flexible tie line is coupled to the keel at... | 04/27/1999 |
| 5517940 | Variable width multi-hulled boat with telescoping mast A variable width boat includes a plurality of hulls and a width varying arrangement connected to and between the hulls for selectively moving the hulls between a closed, folded position and an extended, unfolded position in which the hulls are laterally s... | 05/21/1996 |
| 5373799 | Collapsible sailing rescue watercraft In a preferred embodiment, a watercraft which is carried by a main watercraft, including: a longitudinally extending horizontal central hull portion; port and starboard longitudinally extending horizontal pontoons being movably attached to the central hul... | 12/20/1994 |
| 5355817 | Sail boat A wind-powered boat has a pair of spaced apart, fixed hull sections and a castering front hull between the side hull sections. A turret section is supported for rotation on the boat and has a foot-powered winch on which a load line and a pair of control l... | 10/18/1994 |
| 5301623 | Multi hull vessel with bendable hulls A catamaran sailing vessel has both of its hulls articulated to provide substantially equal length forward and aft hull sections that are pivotally connected to one another about axes parallel to the yaw axis. A rigid deck structure spans the two hulls an... | 04/12/1994 |
| 5054411 | High performance sailing craft A pair of outrigger hulls are located on the ends of a wing, to which is movably attached a central hull which can be moved back and forth with respect to the outrigger hulls. A pivotable mast positioned on the central hull allows the central hull to be p... | 10/08/1991 |
| 4890570 | Wind propelled sailing craft A wind propelled sailing craft. The craft includes a frame with fore-and-aft beams interconnected by transverse beams. A deck is attached to the frame where the operator will sit on a trampoline. A sail-like structure is attached to the frame and extends ... | 01/02/1990 |
| 4878447 | Multihull vessels A multi-hull vessel has a center section and a plurality of float arm assemblies disposed on opposite sides of the center section. The float arm assemblies are pivoted so as to be movable upwardly or downwardly. Each float arm assembly comprises upper and... | 11/07/1989 |
| 4831950 | Wind propelled apparatus A sail propelled vehicle for land or sea in which a triangular yoke is pivotally attached at two of the corners thereof on two pontoons, skis, or skateboards at the forward ends thereof. The mast for carrying the sail is mounted vertically on the yoke at ... | 05/23/1989 |
| 4809629 | Sail rig for a wind propelled vehicle A sail rig for a wind propelled vehicle that has a deck surface includes a support on the vehicle providing a pivot axis generally normal to the deck surface, a boom that has a proximal end pivoted on the support for 360 degree rotation about the pivot ax... | 03/07/1989 |
| 4738212 | Body sailer A body sailer allows an operator to sail in a partially submerged position. The body sailer includes first and second buoyancy pontoon devices held in a spaced apart relationship by a frame. The frame is coupled to a third buoyancy device disposed advance... | 04/19/1988 |
| 4584957 | Multi-hull sailing vessel with variable lift A double-ended two hull sailing vessel has a main hull and an auxiliary hull, where the distance between the auxiliary hull and the main hull can be varied for controlling heel. The mast is supported on a curved track for varying the angle of the mast rel... | 04/29/1986 |
| 4582011 | Hydrofoil vessel A vessel having adjustable hydrofoils. The vessel is preferably a multi-hull sailing vessel such as a catamaran or trimaran. The hydrofoils diverge upwardly and outwardly from a location below the waterline of the vessel and in the plane of the longitudin... | 04/15/1986 |
| 4465008 | Sailcraft Improved sailcraft have a plurality of rectangular sails of approximately equal size, each carried on a separate mast that is enveloped by the sail luff. A full-length batten is fitted to the leech of each sail. The leech of each sail may overlap the luff... | 08/14/1984 |
| 4401047 | Wind-propelled craft A wind-propelled craft having at least two elongated, low-profiled, flat-bottomed floats. The floats are parallelly and distally connected by a framework adapted to support the wind propulsion structure. The framework and floats are connected by fore and ... | 08/30/1983 |
| 4392444 | High stability trimaran A trimaran which includes a main hull, starboard hull, and port hull, has positive stability for up to about 130° inclination of the main hull. The starboard and port hulls are pivotally mounted to the main hull, and the mast is mounted to the main hull ... | 07/12/1983 |
| 4287845 | Sailboat having multiple hulls A sailing craft is provided which has the ability to limit heeling under various headings, and which includes a deck assembly mounted for lateral movement between two outrigger type hulls. The deck assembly may be moved toward the windward side of the cra... | 09/08/1981 |
| 4286534 | Trimaran sailboat A trimaran sailboat is provided which has the ability to limit heeling under various headings, and which includes a central hull, and a boom assembly mounted laterally across the central hull and having an outrigger hull at each end thereof. The boom asse... | 09/01/1981 |
| 4286533 | Catamaran sailboat A catamaran sailboat is provided which has the ability to limit heeling from the wind forces, to thereby maximize the effective sail area and speed. The catamaran includes a deck assembly which may be selectively moved laterally between the hulls by the c... | 09/01/1981 |
| 4223621 | Multihull sailing vessel having means for righting capsized vessels incorporated therein A multihull sailing vessel comprising a plurality of floats having ganged pivotal positioning means incorporated within transverse interconnecting members so that the floats may be rotated around longitudinal axes for righting the vessel whenever it is ca... | 09/23/1980 |
| 4192247 | Sailing vessel A triple-hulled sailing vessel has a mast on its center hull. The lower end of the mast is pivotally connected to the center hull and a rigid transverse brace is connected to the central hull so that it pivots as the mast pivots; the outer ends of the bra... | 03/11/1980 |
| 4108100 | Rigging base for plural-hull sailing craft and methods for sail control An elongated spar is attached longitudinally to cross-members interconnecting the hulls of plural-hull sailing craft, which spar projects forward to provide points of attachment for the forestays and headsail tacks of the sailing craft, whereby the forces... | 08/22/1978 |
| 4044702 | High efficiency aerodynamic sail system for boats, and method for sailing A high efficiency aerodynamic sail system for boats comprises a triangular fabric sail pivotally suspended at its head from the apex of a tripod mast structure such that air impinging upon the luff of the sail is free from the turbulent wake of any upwind... | 08/30/1977 |
| 3996874 | Surface craft A trimaran has its floats displaceable from normal extended positions to retracted positions close to the central hull and is arranged to have improved stability at large angles of heel with the floats retracted. The retraction is actuable responsively to... | 12/14/1976 |
| 3937166 | Float connection assemblies for multi-hulled boats A multi-hulled boat includes a main float and a retractable float normally arranged, when in their operative positions, in spaced apart side-by-side relationship. A float connection assembly is provided, including a pivot structure interconnecting the mai... | 02/10/1976 |
| 3933110 | Plural-hull sailing craft and methods for sailing craft A plural-hull craft incorporates separate hulls pivotally attached at the extremities of an interconnecting structure, which hulls may be rotated either separately or in unison to longitudinally align two or more hulls with substantial hydrodynamic contin... | 01/20/1976 |