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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7128010 | CBTF sailing yacht appendage retraction system A canting ballast twin foil (CBTF) sailing yacht constructed according to the invention includes a sailing hull, a laterally moveable ballast suspended beneath the hull that provides a counter heeling force when the yacht is underway, and fore and aft foils that pro... | 10/31/2006 |
| 6325009 | Sailboat for sailing in shallow water A sailboat having a novel hull shape, a fixed, shallow keel, dual rudders, and retractable, shallow dagger boards for sailing in shallow or shoal water is provided. The combination of features allows the boat to achieve performance sailing at all points o... | 12/04/2001 |
| 6032603 | Method and apparatus to increase the velocity of sailing vessels An asymmetric wing for decreasing the leeward drift of a vessel has two different surfaces, one of which is cambered in cross-section and the other which has less camber in cross-section or flat. The asymmetric wing has a leading edge pointed toward the b... | 03/07/2000 |
| 5934963 | Surfboard fin quick release system A surfboard fin quick release system, for use on a surfboard having a top surface and a fin having a tang, comprising a fin box submerged within the surfboard and a locking mechanism mounted to the fin tang. The fin box comprises a longitudinal channel ha... | 08/10/1999 |
| 5850801 | Pushing unit A water craft assembly comprising a towboat (1) and a barge (2) pushed and steered by the towboat (1) and which is designed and constructed for use in shallow water with an optimal cargo-carrying capacity, and wherein the towboat includes a paddle wheel d... | 12/22/1998 |
| 5493989 | Adjustable fin box system A watercraft containing a fin box system, said fin box system comprising a chamber of spaced side walls and end walls, and a fin with a fin base that can travel vertically, horizontally or at an angle within said chamber; said chamber is fixed within said... | 02/27/1996 |
| 5209686 | Sealing lip of plastic for the inlet opening for the dagger board housing and dagger board, particularly of sailboards The lip-type seal for the inlet opening (2) for the dagger board housing and the dagger board (3) exhibits two supporting strips (5) countersunk into the board hull (4) on both sides of the inlet opening (2) as well as two mounting strips (7) with a seali... | 05/11/1993 |
| 5150661 | Retractable steering device for cargo barges that increases maneuverability by providing a pivot point or points when altering course A retractable steering device for liquid/bulk cargo carrying barges includes a rectangular barge hull having a generally flat bottom and an upper deck and generally vertical port and starboard sidewalls. A cargo hold is contained at the central portion of... | 09/29/1992 |
| 5036785 | Lightning protection installation on a boat A lightning protection installation for boats comprising a copper lightning rod mounted on the top of the mast or, in the case of a power boat, mounted on the deck, a copper wire attached to the rod and running downwardly to a point where it is attached t... | 08/06/1991 |
| 5036783 | Sailing yacht with a centerboard In a sailing yacht with a centerboard having a hull accommodating a centerboard well containing the centerboard capable of movement therein through rollers along curvilinear guides provided in the centerboard well, according to the invention, the rollers ... | 08/06/1991 |
| 4928613 | Retractable steering device for cargo barges that increases maneuverability by providing a pivot point or points when altering course A retractable steering device for liquid/bulk cargo carrying barges includes a rectangular barge hull having a generally flat bottom and an upper deck and generally vertical port and starboard sidewalls. A cargo hold is contained at the central portion of... | 05/29/1990 |
| 4917035 | Monohull sailboat with enlarged deck area A lightweight monohull sailboat of length less than sixteen feet having a clear uninterrupted, full beam, deck area above the waterline of the hull of at least sixteen square feet. The sailboat is molded fiberglass or plywood construction including integr... | 04/17/1990 |
| 4779553 | Automatic rudder for outboard jet motors An automatic rudder attachment for outboard jet motors. A rudder attachment is designed to provide steering capability at low or drifting speeds when the jet thrust is reduced and during reverse direction when the jet thrust is reversed. The rudder swings... | 10/25/1988 |
| 4759552 | Lip gasket of a synthetic resin, especially for the daggerboard well of a sailboard The lip gasket for the daggerboard well of a sailboard (1) exhibits two supporting strips (3) embedded in the board body on both sides of the daggerboard well opening (2), as well as two cover strips (5), terminating with the profile (4) of the underwater... | 07/26/1988 |
| 4747797 | Man overboard retrieval apparatus A life buoy 1 in the form of an inflatable ring with a floor 10 has a textile, invert cone keel 11 filled with water and held open by a ballast mass 14. Around the keel hangs an open mesh textile sea anchor 25. Steps 18, braced 20 to the keel, assist a ma... | 05/31/1988 |
| 4703708 | Steerable keel A steerable keel (10) comprising, in a first embodiment, a stationary section (12) and a rotatable section (14) and in a second embodiment, a stationary section (30) and two rotatable sections (32) (34). In either embodiment, the steerable keel (10) is de... | 11/03/1987 |
| 4690089 | Boat with a raisable and lowerable keel A boat with a raisable and lowerable keel is proposed, which can be constructed as a swivel, lifting or ballast drop keel. The keels are fixed to tensioning members either directly or via cables. The tensioning members can be spiral springs, which run in ... | 09/01/1987 |
| 4439166 | Adjustable water ski fin and wing A water ski fin is carried by a housing mounted to the upper surface of the rear end of a ski with the fin extending downwardly through an elongated slot in the ski. The fin carries a transversely extending wing thereon and the combination is capable of b... | 03/27/1984 |
| 4316425 | Lifting keel for sporting sail boats A lifting keel assembly for sailboats having a shaft obliquely inclined in forward and upward directions slidably receiving the lifting keel, the upper area of the lifting keel being provided with sliding shoes on the forward and rearward longitudinal edg... | 02/23/1982 |
| 4297757 | Marine rescue capsule A marine capsule for sea rescue and transportation having a generally spherical configuration and on its sides hermetically closed hatches of tempered glass and a sun-reflecting signal-sending film. At its top are four larger diameter hatches, two of whic... | 11/03/1981 |
| 4280428 | Non-heeling sailboat A non-heeling sailing vessel having: a payload bearing first displacement hull with a pair of longitudinally spaced control surfaces rigidly mounted thereto in fixed alignment and extending downwardly therefrom into the water, a rigid support structure rigidly... | 07/28/1981 |
| 4217845 | Trailerable water ballasted sailboat In the trailerable sailboat disclosed herein, the provision of water ballasting enables the use of a V-bottomed displacement hull shape with substantial deadrise yielding a low-wetted surface are in relation to effective displacement. The water ballasting... | 08/19/1980 |
| 3985106 | Sailboat stabilizing system Mast is pivoted to sailboat hull and carries a counter-balance weight below the pivot. Wind pressure causes mast heeling with the counter-balance supplying the mast-righting force. Additionally, movable weights in the hull bottom are cable-connected to th... | 10/12/1976 |
