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| Number | Title | Issue Date |
| 7338336 | Watercraft hull with adjustable keel A watercraft hull having a pair of laterally spaced propulsion tunnels located on opposite sides of its keel, with said tunnels being open downwardly towards the water, includes a movably mounted keel section located between said propulsion tunnels to prevent water ... | 03/04/2008 |
| 7255057 | Ramp for pontoon boat A ramp for a pontoon boat on which a boat user can come and go from it without having to get wet. Rotatably attached to the outboard end of the ramp is a cylindrical float which not only keeps the ramp and user afloat but also acts like a roller enabling the ramp to... | 08/14/2007 |
| 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 |
| 6810825 | Wood planing machine with a shield member for a motor unit and a cutter member A wood planing machine includes a support carriage mounted movably on a mounting frame, a motor unit and a cutter member mounted on the support carriage, and a shield member mounted on the support carriage and pivotable between covering and uncovering positions. Whe... | 11/02/2004 |
| 6546884 | Jet propelled watercraft stabilizing system A stabilizing system for jet-propelled watercraft comprising a pair of fins and their corresponding trim blocks, which serve to point the fins in the correct toed-in, cambered-out attitude, and mount on the side of the watercraft, toward the rear.... | 04/15/2003 |
| 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 |
| 5567190 | Variable angle of attack finbox assembly for surfboards and the like One or more variable angle fin box assemblies are sealed on the underside of a surfboard or the like that allows the angle of attack of the fin to be varied with the respect to the longitudinal axis of the surfboard, enabling the speed, stability and mane... | 10/22/1996 |
| 5344344 | Steering and reversing system for a marine jet propulsion unit A steering and reversing system for a marine jet propulsion unit having a stationary nozzle (3) for discharging a water jet rearwardly from the unit comprises a pair of steering and reversing members (4, 5) which are mounted side by side at the rear end o... | 09/06/1994 |
| 4856445 | Sailboat construction A sailboat construction includes a hull having spaced first, second and third longitudinally extending lateral resistance elements which provide resistance to lateral movement of the boat under normal sailing conditions. The first and third resistance ele... | 08/15/1989 |
| 4850917 | Sailboard fin A fin for a sailboard has a pair of high aspect ratio foils disposed in tandem in which the trailing edge of the forward foil is spaced apart from the leading edge of the aft foil. The fin permits high speed and rapid maneuvering without ventilation and s... | 07/25/1989 |
| 4782779 | Barge lattice skegs A skeg unit mounted on a raked barge stern counter is a box lattice structure including an athwartships row of upright generally parallel vanes having their upper ends connected by an athwartships upper horizontal tie plate and their lower ends connected ... | 11/08/1988 |
| 4569302 | Barge dagger skegs A row of dagger skegs projects downward from the aft portion of the raked counter of a nonpowered, nonsteered barge hull at each side of the longitudinal center line of the hull for stabilizing the barge directionally when towed by a towline trailing a to... | 02/11/1986 |
| 4335768 | Depth of cut adjustment mechanism A depth of cut adjustment mechanism for a power planer including a double threaded elevation adjustment bolt (40) extending downwardly into threaded engagement with a stem (32) extending upwardly from the front shoe (16) of the planer (2). Rotation of the... | 06/22/1982 |
| 4292870 | Guide plate for wood working tools Multi-parallel channels of a guide plate support inset slidable tracks. A wood working tool is dependingly mounted to the tracks for translation past a workpiece temporarily fixedly secured to the guide plate and works the workpiece along a true line dict... | 10/06/1981 |
| 4217844 | Barge dagger skegs A row of dagger skegs projects downward from the aft portion of the raked counter of a nonpowered, nonsteered barge hull at each side of the longitudinal center line of the hull for stabilizing the barge directionally when towed by a towline trailing a to... | 08/19/1980 |
| 4058076 | Hull foils with hydrodynamic righting forces A boat is provided having front and rear ends, a bottom and upwardly projecting sides extending upwardly to an elevation spaced above the static water line of the boat. A depending central strut (fixed or upwardly retractable) projects downwardly from the... | 11/15/1977 |
