1
Stoeberl Helmut: Plastic sailboat body and keel assembly. July 24, 1973: US3747550 (24 worldwide citation)

A fiber reinforced plastic boat hull with a tapered bottom recess receiving the upper end of a keel or center board and a floor or partition wall spanning the interior of the hull in spaced relation above the bottom thereof and secured around its periphery to the hull to form a reinforcing strut or ...


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Ailerons having self-deforming reversible profiles. Dumortier Paul, March 27, 1987: FR2587675-A1 (9 worldwide citation)

The ailerons, moving in fluids (water, air) and receiving the thrust of these fluids sometimes on one face and sometimes on the other, have to be able to form a concave-convex profile which is self-deformably reversible. They are constituted by: - a non-deformable solid construction 1 forming the fr ...


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Davies John Robert: A fin for a buoyant support.. Davies John Robert, May 18, 1983: EP0079113-A1 (9 worldwide citation)

A fin suitable for a surf board, dinghy or wind sailing board or the like is formed of a resiliently flexible material such as a solid urethane and reinforced with a stiffening insert (11) which incorporates means (16, 17, 18) for attachment to the surf board or the like. Interconnection of the fin ...


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Vicard Pierre Georges: Boats and other devices driven by a sail. Dowell and Dowell, February 25, 1975: US3867894 (9 worldwide citation)

A sailing boat with a mainsail pivotable about an axis extending obliquely to the mast. An upper end of the mainsail is pivotably connected to the mast and lower ends of the sail are attached to a yard pivoted intermediate its ends on an end of a boom pivoted at its other end on the mast.


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Buraud Paul: Aquaplane. Buraud Ets Paul, October 28, 1983: FR2525482-A1 (8 worldwide citation)

L'INVENTION CONCERNE UN AQUAPLANE.L'AQUAPLANE SE COMPOSE D'UN FLOTTEUR 10 AUQUEL EST DE PREFERENCE RELIEE UNE PAGAIE DOUBLE 12. LA FACE SUPERIEURE DU FLOTTEUR COMPORTE UNE EMPREINTE 24 POUVANT SERVIR DE SIEGE ET ELLE EST EQUIPEE D'UNE CEINTURE DE MAINTIEN 30 ET DE SANGLES CALE-PIEDS 32. LE FLOTTEUR ...


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Rennie Basil Cameron: Boat keel. Rennie Basil Cameron, Rennie Christopher John, January 21, 1987: GB2177353-A (7 worldwide citation)

A boat hull (10) has a keel (11) having a pair of side foils (12) descending from both sides of the hull (10), below the water-line (13), to a junction (14) below the centre line of the hull (10). The side foils (12) may curve convergently downwards to join with a central foil (15). Each foil (12, 1 ...


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Harding Richard John Arthur: Inflatable boat.. Avon Inflatables, July 9, 1980: EP0013114-A1 (7 worldwide citation)

Multikeeled hull (1) having an inflatable member or members (11) constrained to lie between the flexible skin (3) of the boat and a reaction surface (4). Preferably there is a rigid deck as a reaction surface (4) overlying the flexible skin (3) with two parallel inflatable tubes (11) under the deck ...


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Pneumatic boats. Zodiac, February 7, 1979: GB2001586-A (7 worldwide citation)

A pneumatic boat of the inflatable-deflatable type, able to be propelled by motor, comprising at least one inflatable sausage (1) forming two parallel or substantially parallel arms (2) joined at the front to form a stem-post and at the rear by a board (4) intended to receive or to house at least on ...


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Catamaran type marine craft. Windischbauer Florian, December 5, 1997: FR2749269-A1 (6 worldwide citation)

The craft comprises two canoes (1) connected by a deck. Two mountings (2), which are inserted in the two canoe bodies, are adjustable in height in guides (1.2). The mountings are locked by a pivoting movement (1.2.2) in the guides. The mountings have support surfaces (2.4) for the ends of a longitud ...