Bizarre Patents
Safety System For Remove a Rider From a Vehicle by Deploying a Parachute
Methods and apparatus for reducing the velocity of a rider in or on an open cockpit vehicle when the rider is thrown from the vehicle.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4545772 | Sailboard cargo carrier A readily assembled and disassembled cargo carrier for sailboards. The carrier structure permits easy loading and unloading of gear on the sailboard while creating minimal interference with sailing use.... | 10/08/1985 |
| 4538540 | HUll construction A hull construction for a board useful in water sports, and a board incorporating such a hull, the hull incorporating a pair of air intake chambers extending from the forward end thereof, in the nature of parallel grooves which are mirror images of each o... | 09/03/1985 |
| 4531922 | Sailboard and process for its production In a sailboard made of a synthetic resin with an outer skin and a foam core, as well as with a stringer forming a longitudinal center wall, the outer skin (2) consists of a thermoplastic synthetic resin and of an upper and a lower half shell (3 and 4, res... | 07/30/1985 |
| 4530299 | Collapsible wind surfing vessel A wind propelled surfboard which has a catamaran hull wherein each hull can be folded to a collapsed position. Also, the mast and boom are capable of being folded when into a collapsed position when not in use.... | 07/23/1985 |
| 4526125 | Security lock for kayaks and the like A method and apparatus for securing a kayak or similar shaped elongated object. The apparatus includes a pair of hoops each having a diameter large enough to slip over an end of the kayak but not large enough to slip over the entire body thereof. A cable ... | 07/02/1985 |
| 4511338 | Water bicycle and detachable device therefor A water bicycle and a detachable device for converting a sail board into a water bicycle. The water bicycle has a flotation member and a frame removably mounted to the flotation member. Pedals are rotatably mounted to the frame. Paddle wheels are provided... | 04/16/1985 |
| 4508046 | Wind surfing hydrofoil apparatus Wind surfing hydrofoil apparatus for enabling hydroplaning of a wind surfing board having a mast mounted centrally thereon between a front end portion and a rear end portion of the board, and comprising a front hydrofoil mounted on the board in juxtaposit... | 04/02/1985 |
| 4507094 | Board for aquatic sports A board for aquatic sports is disclosed. The board, during displacement across water, directs a jet or shower of water at the abdominal region of a person lying on the board.... | 03/26/1985 |
| 4473022 | Sail construction A hand maneuverable sailing rig includes a sail construction having a mast, a sail attached thereto and a bowed, wishbone boom encircling the mast and sail. The wishbone boom is attached to the mast and sail by stays and tie lines. The mast is pivotably s... | 09/25/1984 |
| 4466375 | Mast foot for sailing boards A mast foot for sailing boards comprising a holder securable to the sailing board and a connector which is connected to the holder by a universal joint and can be connected to the mast. The holder and connector are provided with curved faces which frictio... | 08/21/1984 |
| 4458859 | Combined boardsailer and hang glider A boardsailing device includes a sport converter which permits the boardsailing device to be converted into a hang glider. Essentially all of the power required for hang gliding is supplied by boardsailing, and the conversion from boardsailing to hang gli... | 07/10/1984 |
| 4457729 | Polyolefin layer with improved adhesion to a foamed plastic substrate and a method for its manufacture A rotational molding process for manufacturing objects having a foamed plastic substrate adhered to an outer polyolefin coating layer, and having improved adhesion therebetween comprising the combination of steps of: preparing a first outer coating layer ... | 07/03/1984 |
| 4441446 | Improvements in windsurfing boards A windsurfing board with a hull, a mast and a wishbone or other spar for winging out the sail has side fin plates with lower stabilizing faces and an adjustment system for steplessly changing the level of such fin plates, or only producing two positions o... | 04/10/1984 |
| 4439165 | Aquatic body board An improved body board having a planar upper surface, a forward end and a pair of lateral edges is provided with a novel bow-shaped substantially rigid arcuate control member having two ends and a convex intermediate portion and is secured in fixed spaced... | 03/27/1984 |
| 4437842 | Surfing device A bodysurfing device which assists in providing buoyancy as well as increased speed through the water. The device includes an elongated planar buoyant member with a compartment of streamlined shape located at the forward end of the buoyant member, having ... | 03/20/1984 |
| 4421491 | Linking sailboards A sailboard assembly includes at least two sailboards with each sailboard being linked to another sailboard by a flexible rigid link.... | 12/20/1983 |
| 4405139 | Boards for sliding on snow A board for sliding on snow is provided and has nose, intermediate and tail portions. The nose and tail portions have a thickness that will not deform under the weight of a user. The intermediate portion has a thickness that it will elastically bend under... | 09/20/1983 |
| 4383955 | Process for fabricating a closed, foam-filled, reinforced polyester resin shell article A process for fabricating hollow, foam-filled, reinforced plastic objects such as surfboards. The process involves disassembling a multi-part mold to expose its inner surface. The inner surface is then coated with a gel coat, resin and reinforcing materia... | 05/17/1983 |
| 4350113 | Motorized floatboard A motorized floatboard is disclosed, comprising: a hull having a plurality of watertight compartments, a power unit located aft, a steering device, also located aft, and adapted to be operated by the feet of a prone rider, an inclined chest plate, rearwar... | 09/21/1982 |
| 4340376 | Surfboard locking device A portable locking device for surfboards equipped with adjustable surfboard fin holders. A U shaped padlock eye attaches to the base of the surfboard fin by means of the retaining screw which retains the surfboard fin in the fin holder. A locking bracket ... | 07/20/1982 |
| 4334874 | Launching sheet for windsurfers A launching sheet or rope for windsurfers is described which facilitates pulling the rig of the windsurfer out of the water. In the case of this launching sheet one of its ends is attached in a conventional manner to the front end of the wishbone-shaped b... | 06/15/1982 |
| 4331093 | Composite wind surfboard Two single surfboards (11, 12) are linked and assembled together in tandem fashion by a linking member (13) of elongated shape located underneath the two single surfboards (11, 12) and secured at one end thereof and the other end thereof, respectively, by... | 05/25/1982 |
| 4331094 | Mast base for a wind surf-board A mast base for a wind surf-board adapted to have a mast cardanically fastened thereto. The mast base is releasably latchable in a sleeve or in an aperture within the body of the sailing board or wind surf-board, and includes spring-elastically adjustable... | 05/25/1982 |
| 4325154 | Surfboard fin A surfboard fin is disclosed which is formed of shaped plastic opposed members which are joined and sealed to form a hollow light-weight buoyant construction, which provides an external contour to reduce drag in surfboarding. The novel profiled plastic su... | 04/20/1982 |
| 4321048 | Mechanized water board There is disclosed a water board or surfboard wherein a screw propeller mounted on the underside of the board generates thrust in response to the push-pull action of a hand lever which protrudes from either side of the board. The push-pull action on the l... | 03/23/1982 |
| 4320546 | Surfboard A surfboard with a fin is developed to counteract the tendency for skegs or fins to "pop out" especially when the surfer "walks the nose" of the surfboard or rides high on a wave. The fin has a pair of opposed wing hydrofoils extending laterally from an a... | 03/23/1982 |
| 4311107 | Wind propelled apparatus An improved wind-propelled apparatus is disclosed which includes a body mounting a stub mast generally orthogonal thereto. The stub mast is mounted in a well formed on the body and secured by a sleeve, resilient annulus and plug combination. Mounted on th... | 01/19/1982 |
| 4302859 | Surfboard and method of constructing same A new surfboard and method for making a surfboard out of wood so that it will be lighter and stronger than any heretofore produced. It is a method of construction using sheets or panels of wood, separators or spacer blocks between those sheets, which coul... | 12/01/1981 |
| 4285082 | Surfboard safety and control accessory Strips of material having on their top surfaces a large number of closely spaced flexible loops of resilient material, and a method for bonding such strip on the top riding surface of a surfboard. Strips of flexible material having on their top surface a ... | 08/25/1981 |
| 4255221 | Surfboard and method and apparatus for making surfboards and like molded structures A surfboard having a central core of relatively soft and/or light material such as balsa wood or foamed plastic and a laminated outer skin construction is disclosed herein along with a method and apparatus for making the surfboard or a similar article. Bo... | 03/10/1981 |
| 4236476 | Articulate mast footing arrangement, in particular for wind surfboards A connecting arrangement for connecting two elements with one another, particularly a mast and a boat body of a wind surfboard comprises a male member connected with one of the elements, and a female member engageable with the male member with snap action... | 12/02/1980 |
| 4209867 | Flexible surfboard A lightweight flexible, hollow surfboard having top and bottom decks, at least one of which is made from sheet balsa having the grain perpendicular to a broad surface thereof with a coating of synthetic resin laminated to that surface and spacing means be... | 07/01/1980 |
| 4129911 | Soft deck surfboard A surfboard is constructed to have a soft deck by forming a lower body of a rigid foam material covered with a fiberglass resin coating and forming a deck insert of resilient foam material secured to the deck of the lower body and covered by a flexible im... | 12/19/1978 |
| 4106143 | Knee brace The invention relates to a brace which is mountable in or on, or is formed integral with, a craft such as a canoe, kayak, surf-ski or skiff so that it can in use contact and receive thrust from the thigh of a user of the craft so that the user can propel ... | 08/15/1978 |
| 4100870 | Surfboard A sailboard having an unstayed rig comprises a mast mounted by a universal joint on a surfboard having a retractable keel. A sail having a neck and a lower bolt-rope is attached between the mast and nocks of spars fixed to the mast for the retention and a... | 07/18/1978 |
| 4037553 | Apparatus for connecting a sailing mast to a sailing board The foot of a mast is connected to a sailing board on which the user stands while also holding the mast during sailing. The location of the connection is variable longitudinally of the board during sailing, whereby the most favorable point of application ... | 07/26/1977 |
| 4020782 | Convertible surfboard A surfboard which is convertible from unpowered to motorized condition by the selective movement of a motor mounted in the elongated buoyant float member. Movement of the motor along the longitudinal axis of the float member does not substantially alter t... | 05/03/1977 |
| 3996868 | Windsurfer A wind-propelled surfboard or aquaplane having a hull assembled of several separable hull sections which are longitudinally clamped together by means of tensioning cables extending inside two horizontally spaced longitudinal spine tubes. These tubes are j... | 12/14/1976 |
| 3988794 | Surfboard with resilient tail A surfboard having a resilient bottom panel which extends rearwardly beyond the rigid deck, this being accomplished preferably by splitting the rear portion of the board along the siderails to define a rigid rear deck spaced above a reinforced resilient p... | 11/02/1976 |
