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| Number | Title | Issue Date |
| 4768453 | Watercraft A relatively small water craft having a center of gravity and which when in the water, has a draft line. The craft comprises a hull having a fore portion and an aft portion, the fore portion including an engine compartment and two sides and the aft portio... | 09/06/1988 |
| 4768454 | Folding wheeled boat A compact portable folding boat comprising a mid section with a wheel coupled to the front of the mid section. The boat has sections hinged to each side of the mid section which fold up over the mid section for storage. The boat can be rolled on the wheel... | 09/06/1988 |
| 4753184 | Hull with convexly down-step plane A hull with a convexly down-stepped plane located in the aft section and a "V" shaped hull structure in the forward section. The "V" shaped section and the planar section are connected by a smooth, convexly shaped transition section that is convex in refe... | 06/28/1988 |
| 4752262 | Laterally unstable small water craft with stabilizing wings A laterally unstable small water craft such as a sailboard, a kayak, a canoe, a sailfish, a sunfish, or the like is provided with laterally extending narrow stabilizing wings of relatively shallow vertical dimension that limit tilting of the craft. Prefer... | 06/21/1988 |
| 4750448 | Semi-rigid pneumatic boat A hull is provided with two pneumatic side stabilizers jointed pointwise at the front and housed in longitudinal concavities formed on the side of the hull. Each stabilizer is received at its front end in a tapering cover formed at the prow of the boat an... | 06/14/1988 |
| 4732101 | Stern apron for ice breakers The stern apron is constructed as a volume body tapering to a sharp end in streamlined manner towards the stern of the ship and which at its lower outer edges is in each case wider than in the overlying region, so that the ship's resistance and the necess... | 03/22/1988 |
| 4730574 | Collapsible pontoon A pontoon includes a plurality of side-by-side arranged buoyant bodies articulated to one another to allow the pontoon to be placed in a collapsed or in an extended state. Each flanking buoyant body has a bottom face sloping upwardly in an outwardly direc... | 03/15/1988 |
| 4730573 | Collapsible, foldable boat A collapsible foldable boat comprises a plurality of waterproof structural plates arranged in spaced relation to each other in the form of a boat hull, and a plurality of waterproof, flexible connecting pieces sealed to the plates and hinging them to each... | 03/15/1988 |
| 4730572 | Rudderless circular boat A circular boat comprising a pair of generally dish-shaped members connected together in opposed relationship. A cockpit region is provided abeam of the boat and an outboard motor is operationally but fixedly mounted in a motor well behind the cockpit reg... | 03/15/1988 |
| 4730569 | Ice fishing transport An ice fishing transport for transporting ice fishing equipment and supplies to and from an ice fishing site, in which the ice fishing equipment and supplies are stored within one or more containers, includes a substantially flat bottom surface for suppor... | 03/15/1988 |
| 4728307 | Trolling motors for bass boats An electric trolling motor is journalled by a rotatable shaft into the hull and deck of a fishing boat and a foot control disk on the shaft is positioned on the deck for control of the steering of the boat by a fisherman with both hands employed with a fi... | 03/01/1988 |
| 4723500 | Boat steering control system There is disclosed a steering control system for a boat propelled by either bow mounted or transom mounted trolling motors. The steering control system includes a steering cam assembly, actuating device for imparting relative rotational movement between t... | 02/09/1988 |
| 4706597 | Seamless foldable boat A foldable boat is made with a seamless low stress hull that is formed from a one piece mold. The boat is assembled with membranes at the bow, stern and sides to seal the boat from water and to enable easy folding. The bow and stern membranes also serve t... | 11/17/1987 |
| 4697540 | Collapsible foldaway dinghy A collapsible foldaway dinghy is provided and consists of synthetic single skin having panels joined by flexible watertight webs which can be folded into a small package that will fit in a car trunk and cockpit locker. Thwarts having vertical ribs are sec... | 10/06/1987 |
| 4681058 | Small watercraft with asymmetrical bow portion A small watercraft is provided with a heavy engine and its auxiliary machinery at the fore section of a hull and is designed to be steered by the rider on the rear section of the hull. An outer configuration of the bow portion of the small watercraft, whi... | 07/21/1987 |
| 4574724 | Boat-hull construction A tunnel-type boat-hull construction is operative with substantially reduced frictional resistance in the water and also with improved high-speed stability. An air-withdrawal port is provided in the bow portion of the tunnel, and exit ports which are inte... | 03/11/1986 |
| 4566734 | Adjustable boat seat pedestal A pedestal mounting for a boat seat which selectively positions the seat in a centrally located, elevated position or an offset, lowered position. The pedestal includes a column formed of pivotally connected elongated members and a sleeve telescopingly re... | 01/28/1986 |
| 4563971 | Retractable boat keel A boat hull keel is disclosed which retracts into the boat hull on a fixed pivot. The pivot location is placed above the keel/hull bottom intersection, rearward of the major axis of the fully lowered keel and rearward of the keel trailing edge at the keel... | 01/14/1986 |
| 4548155 | Boat including swim platform The specification discloses a ski boat having a swim platform across which a conventional water ski can be laid so that a skier can easily put the ski on while standing on the platform. More particularly the boat includes a pair of sidewalls and a swim pl... | 10/22/1985 |
| 4083320 | Non-broaching boat hull A hull is provided including an aft transom and upstanding freeboard sides extending forwardly from the stern and terminating in a forward bow. The hull includes bottom structure having a central keel extending horizontally forward from the transom and cu... | 04/11/1978 |
| 4067285 | Modular floating structure This invention provides a floating structure made up of a plurality of individual modules, each of which has conduits extending through its walls. Tension members are threaded through the conduits and placed under tension to hold the modules together in a... | 01/10/1978 |
| 3955229 | Rubber boat End wall compartment closures for the stern parts of inflatable sponsons or pontoons for rubber boats are disclosed to enhance the gliding motion or planing action of the boat through the water and prevent distortion of the sponsons under variable inflati... | 05/11/1976 |
| 3943586 | Dory A square-sterned dory of welded aluminum construction in which the chines diverge for their full length and an engine well is located forward of the transom and is open through the transom as well as through the bottom. Box cross-braces serve as seats and... | 03/16/1976 |
