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| Number | Title | Issue Date |
| 7337744 | Boat safety float An aquatic vessel safety device, comprised of a set of automatically inflatable water-tight inflatable flotation bladders, attached to the hull of any aquatic vessel or boat capable of being quickly inflated when the aquatic vessel is in danger of being sunk or caps... | 03/04/2008 |
| 7172540 | Portable abdominal exerciser A portable exercise device is disclosed for use in abdominal strengthening and toning in conjunction with a supporting component. The supporting structure can be a bed frame and the supporting component is usually the bed frame's transverse bar. The portable exercis... | 02/06/2007 |
| 7156033 | Inflating aircraft flotation device A flotation device for maintaining an aircraft in a floating and stable condition is provided. The flotation device comprises at least one flotation bladder mounted to the aircraft and an inflation mechanism for inflating the flotation bladder. A method for maintain... | 01/02/2007 |
| 6196152 | Grid-like construction boat, for use as a tender or trip boat An improved grid-like construction boat (1), for use as a tender or trip boat, comprises a central tubular framework, a plurality of tubular elements coupled to the framework and one or more impermeable fabric plies (16, 17) also coupled to the central tu... | 03/06/2001 |
| 5799604 | Triangulated chevron rib structure for a boat hull A new boat hull support structure is provided in which a chevron rib support structure is used throughout the hull of an aluminum boat. This rib structure provides superior resiliency due to the increase of surface area contact between the boat hull and s... | 09/01/1998 |
| 5690048 | Boat hull construction A boat hull is constructed of inner and outer aluminum skin layers. A foam material and a plurality of spaced frame members are sandwiched between the two skin layers. The skin layers are directly welded to the spaced frame members, which preferably are s... | 11/25/1997 |
| 5640923 | Chevron rib structure for a boat hull A new boat hull support structure is provided in which a chevron rib support structure is used throughout the hull of an aluminum boat. This rib structure provides superior resiliency due to the increase of surface area contact between the boat hull and s... | 06/24/1997 |
| 5271352 | Method of construction of a boat hull This invention relates to a method of boat hull construction. The method comprises mounting a former having an external configuration conforming to the internal configuration of the hull to a vacuum forming bed, heating a sheet of thermo-plastic material,... | 12/21/1993 |
| 5005510 | High strength boat hull structure A high strength impact resistant hull structure including method of manufacture is disclosed having inner and outer skins wherein the outer skin comprises a plurality of wearstrips keyed to one another and keyed to the inner skin.... | 04/09/1991 |
| 4867094 | Flotation system A method of making a boat comprises moulding a hull (6) with an external longitudinal recess (7), securing a folded inflatable bag (8) within the recess, and fitting a cover (9) into position over the recess such that it can be blown clear thereof when th... | 09/19/1989 |
| 4860682 | Unitary-panel boat hull construction A displacement hull is formed by making a series of cuts in a curves sheet or panel of semi-resilient material. At least one primary cut begins at one end of the panel, and extends in one direction for a substantial distance along the panel, but terminate... | 08/29/1989 |
| 4803944 | Method and apparatus for making a boat A method and apparatus for making a boat, or similar vessel, having a hull section to be bonded to a deck section. Pairs of pivotal arms are located adjacent the hull and adapted to be rotated in a first direction towards each of the sides thereof. A plur... | 02/14/1989 |
| 4744320 | Boat hull and method of fabrication A boat hull is constructed of a plurality of unitary plates connected together along their edges and connected to an internal frame at the edges, such that the side deck and bottom plates of the hull are connected solely at their respective edges to the i... | 05/17/1988 |
| 4695032 | Convertible mould A convertible mould comprising a frame including bars and beams carrying movable heads supporting a lattice of slats in a desired configuration. A conforming sheet material is fixed to the slats to provide a mould surface.... | 09/22/1987 |
| 4689257 | Veneer laminate composite structure A method of forming a wood sandwich structure comprising the steps of peeling a bolt of natural wood in spiral form to form a web of wood veneer; forming the wood veneer web into a plurality of sheets of uniform size; forming a plurality of fiberglass she... | 08/25/1987 |
| 4681060 | Kayak frame section and method A frame section (20, 22) and method for a high performance flexible skin hull (12) of a kayak (10) is disclosed as including a thin moment resisting web (A) having dimensional rigidity in a vertical direction to resist bending moments surrounded by foam b... | 07/21/1987 |
| 4365580 | Hull construction A composite hull construction for boats and the like is disclosed. A rigid inner box-like structure of steel or aluminum is provided and acts as the main structural element of the hull, a rigid synthetic foam core being intimately bonded to the exterior s... | 12/28/1982 |
| 4158082 | Laminated ferro-cement structures and method of fabrication Structures such as the shell of a boat are formed in a ferro-cement laminate composed of a fiber glass reinforced skin and ferro-cement with a coupling between the fiber glass layer and the ferro-cement that consists of fabric connector tapes that are bon... | 06/12/1979 |
