Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7278364 | Reconfigurable attack and reconnaissance vessel I A reconfigurable marine vessel is disclosed. The marine vessel includes an upper hull, two propulsion hulls, and two struts for coupling the propulsion hulls to the upper hull. The struts are segmented and are capable of reconfiguring the marine vessel. In one confi... | 10/09/2007 |
| 7093556 | Inflatable self-righting kayak safety device A device that mounts onto the front of a kayak to assist in righting the kayak after it rolls over. It consists of a small mast that is attached to a hinged base. An inflatable bag is attached to the top of the mast along with equipment to inflate the bag. A lanyard... | 08/22/2006 |
| 6450114 | Water craft With reference to FIG. 1, the invention is a water craft. The water craft has a hull 1 and a sail arrangement, and carries a fishing line and baited hook. The water craft can sail across a body of water unmanned to a desired location for fishing. The wate... | 09/17/2002 |
| 6089173 | Multi-hull watercraft with self-righting capabilities A multi-hull watercraft, such as a catamaran or trimaran is constructed to facilitate the righting thereof following a capsize. By providing a pivot connection between the hulls and the cross-members, in accordance with one method, it is possible to right... | 07/18/2000 |
| 5910035 | Means for raising one or both of the heels of a surfer The means for raising one heel or both heels of the surfer so that the resting position of the ankle is more extended than on a flat deck. Examples of these means are a foot pad (22) thicker on one side, an asymmetrical height given to the deck of the boa... | 06/08/1999 |
| 5896824 | Method and apparatus for uphauling a windsurfer sail A method and apparatus for uphauling the sail of a windsurfer is provided. The method and apparatus for uphauling a sail uses the sailor's body weight to uphaul the sail. The apparatus connects between the windsurfer rig and a harness worn by the sailor. ... | 04/27/1999 |
| 5784976 | Weighted daggerboard stabilizer for wind surfing apparatus A wind surfing apparatus formed with a hull supporting a mast and sail includes a removable daggerboard having a weighted mass in a lower end portion thereof to lessen the tendency of the hull to be unstable or flip during use. The weighted mass may eithe... | 07/28/1998 |
| 5601045 | Sailboat flotation apparatus A flotation hood removably extendable over the top portion of a main sail of a watercraft and being movable with the sail without being joined thereto. The hood includes a first and a second flotation panel section contained in pockets of an envelope on o... | 02/11/1997 |
| 5540168 | Catamaran sailboat extension wing with volumetric frame A sailboat is provided with an outboard-projecting elevated attachment or extension wing constructed of large-diameter frame tube elements used in combination for storage, seating, buoyant righting assist, and outboard leveraging of weight or trapezing. D... | 07/30/1996 |
| 5255624 | Sailboat mast floatation device An inflatable mechanism for attachment to the top of a sailboat mast to counteract turtling (complete rotation of the boat into an inverted position where the mast is pointed straight down into the water) during a capsize. The device functions by producin... | 10/26/1993 |
| 5216971 | Catamaran righting apparatus An improved apparatus for righting an upset catamaran is disclosed. Apparatus are provided to apply and maintain a compressive force in the mast while extending the out-of-water permanent shroud so that a sailor standing on the in-water pontoon and pullin... | 06/08/1993 |
| 5191850 | Sail boat righting system A righting system for a multi-hulled sailing vessel with a floatable mast has mast support cables, including aft mast support cables, extending from the top portion of the mast to vessel anchor points aft of the mast, and extendable and contractible vesse... | 03/09/1993 |
| 4878447 | Multihull vessels A multi-hull vessel has a center section and a plurality of float arm assemblies disposed on opposite sides of the center section. The float arm assemblies are pivoted so as to be movable upwardly or downwardly. Each float arm assembly comprises upper and... | 11/07/1989 |
| 4784075 | Watercraft with righting aid A watercraft, especially a sailboat having at least one hull and one mast. A righting aid is provided that is in the form of a pole-like righting element that has two ends, a first one of which is detachably connected to the watercraft in such a way that,... | 11/15/1988 |
| 4723497 | Sailcraft uprighting device and method for its use A device and method which permit a single sailor to upright a capsized sailcraft. The uprighting device and method are adaptable for attachment to any size or type of existing sailcraft. A catwalk is stored on the sailing vessel during periods of nonuse, ... | 02/09/1988 |
| 4651666 | Multi-hull sailboat righter The invention is a water lifter for use on knocked down multi-hull sailboats. The water lifter comprises a water bucket attached to one or more bucket lines which in turn are attached to one or more down pulleys. The down pulleys are in turn connected by ... | 03/24/1987 |
| 4562785 | Self-stable trimaran A trimaran sailing boat permitting the automatic return to a stable equilibrium corresponding to a normal sailing position from any position. This is accomplished by filling of submergeable watertight floats with water and rapid discharge of the water whi... | 01/07/1986 |
| 4516518 | Catamaran righting accessory An elongated structural member is provided for releasable anchoring at one end to one end of either the fore or aft transverse bracing structure extending between and anchored relative to fore and aft portions, respectively, of the hulls of a catamaran. T... | 05/14/1985 |
| 4344377 | Sail craft A device for increasing the motive force of a sail acting on a sail craft and at the same time decrease the risk of having the craft turned bottom up after a capsizing are obtained by fastening to the uppermost portion of the sail (3) a certain amount of ... | 08/17/1982 |
| 4159006 | Multihull vessels A multihull vessel has a center section; a pair of floats displaceable from normal positions laterally extended on either side of the center section upwardly to positions above the center section and inwardly toward the center axis of the vessel as well a... | 06/26/1979 |
| 4117795 | Multi-hull self rescuing system A marine craft maintained floating in a capsized condition by flotation components which permit angular displacement substantially about a rotational axis established intermediate the bow and stern. Venting of air entrapped within the craft forwardly of t... | 10/03/1978 |
| 4102287 | Catamaran with swingable mast and hulls A multiple hull craft such as a catamaran is provided having outrigger hulls which can be swung to either of two positions 180° apart and locked in either position. The mast is swingable about a center structure through an angle of 180° and is secured a... | 07/25/1978 |
| 3999498 | Articulated loading arm with end hoses for single point mooring An underwater articulated loading arm terminating in a hose or hoses, comprising a first or inboard arm connected to the base swivel of a single point mooring and a second or outboard arm pivotally connected to the free end of the inboard arm, a buoy supp... | 12/28/1976 |
