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A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.
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| Number | Title | Issue Date |
| 7191721 | Innovative hull-less naval vessel A hull-less naval vessel includes a platform completely raised from the liquid medium by of rotating floating elements fixed beneath the platform by of ball bearings. Through the lifting effect of the floating elements, the vessel will glide on the liquid surface wi... | 03/20/2007 |
| 7188694 | All-surface vehicle An all-surface vehicle comprising a pair of large inflatable tubes mounted on a common axis with sufficient buoyancy to enable the vehicle to travel on water and having a motor for independently driving each of the tubes, together with a passenger or load carrying c... | 03/13/2007 |
| 6920744 | Apparatus and method for cutting and harvesting infestations of aquatic vegetation and/or skimming algae/floating vegetation A harvester and method for harvesting aquatic algae or floating vegetation in shallow areas of water bodies, such as lakes is described. The harvester is manually operated. The harvester moves on hollow wheels that are capable of adjusting the buoyancy of the harves... | 07/26/2005 |
| 5669858 | Portable inflatable structure An inflatable structure having a trampoline-type floor with an inflatable framework projecting upwardly therefrom and having netting panels extending between adjacent portions of said framework to prevent a child from inadvertently bouncing out of the str... | 09/23/1997 |
| 5592894 | Spidercraft A spidercraft supported by a wave rider pod consisting of very large tires and ground effect wings connected to a suspension system to absorb the shocks from planing over rough seas or rolling over rough terrain. It is a craft which possesses at least one... | 01/14/1997 |
| 5417598 | Inflatable paddle wheel life saving device A life saving device which permits controlled movement by a user through the water comprising a pair of inflatable tubular paddle wheels having a plurality of rigid bars connecting the wheels. A person lying on his back and pulling down on each successive... | 05/23/1995 |
| 5299523 | Amphibious land reclamation vehicle A lightweight floatable vehicle which includes an articulated main frame to which a variety of earthworking and dredging equipment may be mounted and which is supported and propelled by four independently powered, hollow, generally circular pods which are... | 04/05/1994 |
| 5294187 | Wheel usable on ground, water, and snow A hollow wheel is rotatively mounted on a vehicle about an axis of rotation defining an acute angle with the vertical. This wheel comprises a first convex side wall having an outer face defining a circular and axially tapering tread centered on the axis o... | 03/15/1994 |
| 5178088 | Amphibious vehicle An amphibious vehicle has a hull with a seat portion formed on its upper side. An operator seated upon the seat would straddle the hull. The hull has a flotation body for buoyancy and four hollow, cylindrical wheels also contribute to the buoyancy. Handle... | 01/12/1993 |
| 5149118 | All-terrain wheelchair An all-terrain wheelchair comprising a frame constructed of tubular air-filled frame members to enable the wheelchair to be amphibious. A pair of rear drive wheels are rotatably mounted on the rear of the frame and are controlled by ratchet arms operative... | 09/22/1992 |
| 5013269 | Modular navigation vessel equipped with rotating floats A modular navigation vessel having rotating floats includes a forward module ending in a stem, a central module in the form of a caisson and a rear module, all three modules being ridigly assembled by means of removable connection means. The modules are p... | 05/07/1991 |
| 4926777 | Aquatic wheelchair An aquatic wheelchair having a main flotation body of thermoplastic material of closed cell construction including a seat portion and an integral backrest portion. Flotation paddle wheels are connected to the seat portion and a flotation stabilizer wheel ... | 05/22/1990 |
| 4857022 | Amphibious vessel An amphibious vessel has at least two substantially parallel, elongate flotation members (2, 3) which operate on water as hulls. Each flotation members (2, 3) is rotatable about a longitudinal axis thereof so as to be rollable over land. The rotation of o... | 08/15/1989 |
| 4842561 | Aquatic vehicle An aquatic vehicle for transporting passengers at high speeds over water, the vehicle having an elongated body with an enclosed cabin for accommodating passengers, wheels for sustaining the body above water, axles projecting from the body to the wheels, i... | 06/27/1989 |
| 4655717 | Vehicular sports device able to travel over firm surfaces, soft surfaces or liquid surfaces A seatless pedal operated vehicular sports device capable of moving our firm surfaces, soft surfaces or liquid surfaces, comprises a seatless frame, a fork having downwardly extending prongs secured for pivotal movement on a forward portion of the frame, ... | 04/07/1987 |
| 4631037 | Pontoon vehicle A self-propelled pontoon aquatic vehicle is presented which comprises a central pontoon having a seat, pedals and steering mechanism thereon. Paddle wheels are located on either side of the pontoon and include an inner tube with cleats fused thereon surro... | 12/23/1986 |
| 4505346 | Rolling vehicle A rolling vehicle having a generally spherical cage-like body with a diametrical axle on which a pod is suspended within the cage structure. The pod contains a propulsion unit which provides thrust for driving the vehicle in a particular direction and als... | 03/19/1985 |
| 4432735 | Human propelled buoyant annular float with removable pontoon stabilizer A buoyant apparatus for transport or amusement which is propelled by a human operator in a standing position. An annular float has a platform secured to its upper side and a plurality of circumferentially spaced fins extending from its lower side. Struts ... | 02/21/1984 |
| 4395237 | Amphibious bicycle An amphibious vehicle comprises a bicycle wherein the ends of the front wheel shaft and the rear wheel hub shaft are laterally outwardly projected; a water-surface floating apparatus composed of floats each being provided with a foldable air-tight bag and... | 07/26/1983 |
| 4379701 | Buoyant apparatus propelled by a human operator A buoyant apparatus propelled by a human operator has a pair of side by side annular floats and a pontoon rotatably mounted at the corners of a triangular frame. A pair of platforms are each mounted on the upperside of one of the annular floats. A plurali... | 04/12/1983 |
| 4348195 | Multiple step vented hull A boat hull is provided with a series of steps which are angled toward the center of the hull from the front to the rear of the hull. In order to permit easy riding up of the hull on the steps progressively, as the speed of the hull is increased, the step... | 09/07/1982 |
| 4273544 | Aquatic recreational vehicles A recreational vehicle for transporting one or more riders upon a body of water with power supplied by the rider(s) to both a pair of front and a pair of rear wheels which have sufficient buoyancy to support the vehicle and rider(s), preferably with all n... | 06/16/1981 |
| 4154188 | Recreational device A recreational device consisting of two annular members and a plurality of circumferentially spaced cross members secured one at each end to the annular members to form a floatation wheel having sufficient buoyancy so that an individual can stand uprightl... | 05/15/1979 |
| 3953024 | Water tumbler and roller float A hollow semi-rigid cigar-shaped float formed with helical external projections in the form of two corkscrew threads for use in water sport. Each corkscrew thread projection is formed from the middle of the float to an end, with one end of the float shape... | 04/27/1976 |
| 3934291 | Water sports wheel A unitary hollow paddle wheel of a size to receive a person in upright position and composed of two circular pneumatic tubes connected in spaced relation by transverse members that also support a tread which is operated by the person within the wheel to p... | 01/27/1976 |
| 3933115 | Spherical rolling hull marine vessel A marine vessel with a spherical rolling hull having a rotatably mounted shaft disposed through the horizontal poles of the sphere. A frame assembly is rigidly fixed to the shaft on the interior of the sphere for carrying a propulsion apparatus and cargo.... | 01/20/1976 |
