Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 6923131 | Windsurfing catamaran with dynamic shock dampened rig centering keel and hull support A windsurfing catamaran with a self-stabilizing wing. The wing is moved to the correct position by counter balancing water pressure from a rotating central keel connected to a central mast. The keel rotates in the opposite direction of the wing when the wing is move... | 08/02/2005 |
| 6916220 | Removable fin system A pivotal fin system, for use with an aquafoil, such as surfboards, body boards, wave skis, sail boards, wake boards and the like, comprising a pot (3) and a fin (2), having a tab (18) extending from the base (17) of the fin (2). T... | 07/12/2005 |
| 6453836 | Sailboat keel with a rotatable secondary foil A fin-type sailboat keel with a ballast bulb and a single winglet projecting from the after portion of the bulb is disclosed. The after portion of the bulb, to which the winglet is affixed, rotates, allowing the winglet to be canted about the centerline o... | 09/24/2002 |
| 6338308 | Device for moving and controlling the keels of sailing yachts This invention provides a keel device for moving and controlling the keels of sailing yachts, in which each of the keels, which preferably are positioned one behind the other, can be swung out to either side by max. 90°. It is the object of the invention... | 01/15/2002 |
| 5664979 | Pivoting fin for watercraft A watercraft hull having a lower surface for normal contact with a body of water includes a fin having an inner end secured to the lower surface for extending into a body of water, a hinge intermediate the inner and outer ends for enabling an outer portio... | 09/09/1997 |
| 4970979 | Sailing yacht A sailing yacht having a hull and a sectional mast holding a sail, is equipped with a canard rudder and two rolling keels. Each rolling keel has a ballast container. A three point wing system is formed by wings carried by the canard rudder and by the two ... | 11/20/1990 |
| 4401047 | Wind-propelled craft A wind-propelled craft having at least two elongated, low-profiled, flat-bottomed floats. The floats are parallelly and distally connected by a framework adapted to support the wind propulsion structure. The framework and floats are connected by fore and ... | 08/30/1983 |
| 4044703 | Sailboat control apparatus A sailboat pivotally carries a pair of weighted complementary shaped keels for independent rotation about a common longitudinally directed medial hinge axis for influencing the roll, moment of inertia and draft of the boat. The keels are independently sup... | 08/30/1977 |
